There are several locations in Illinois (IL), USA, that are covered by area code 815, including Joliet, Rockford, Plainfield, and others
Overlay complex 815/779 (overlapping area codes cover the same geographic area) contains area code 815 (the current area code was implemented on January 1, 1947).
Today is Wednesday, March 53, 16:53 PM in area code 815 (Central Time).
815 Area Code Phone Lookup
Map of area code 815
Nearby to the 815 Area Codes
you’re probably always looking location map, cities, time zone, overlay codes, reverse phone lookup and related info. Well, one easy way to do that is by knowing your nearby area codes. That way, you don’t have to fumble through your phone’s keypad each time you want to make a call. Plus, it can come in handy when trying to find out where someone is calling from. So without further ado, here are the area codes for some of the most popular U.S. cities!
List of 815-NXX Prefixes and Corresponding Locations
We all know our location by its name and zip code, but do you know your city’s postal prefix? Chances are, unless you work for the post office or are extremely interested in the subject matter, you don’t. But prefixes play a critical role in how mail is sorted and delivered, so it’s important to be aware of them. This blog post will take a closer look at what prefixes are and their corresponding locations. Stay tuned!
Are you curious about the prefixes and corresponding locations of the area code 815? This infographic is a great place to start. It provides an overview of 815 area code, including its name, prefixes and date. The infographic also includes a map that shows the location of each area code. this guide is sure to come in handy. Enjoy!
| NPANXX | Area served | Date |
|---|---|---|
| 815-200 | La Salle | 6/20/2006 |
| 815-201 | Sheridan | 8/15/2012 |
| 815-202 | Oglesby | 4/8/2008 |
| 815-203 | Joliet | |
| 815-204 | Crystal Lake | |
| 815-205 | Coal City | 1/31/2014 |
| 815-206 | Woodstock | |
| 815-207 | Joliet | |
| 815-208 | Fulton | |
| 815-209 | Rockford | 2/4/2002 |
| 815-210 | Joliet | |
| 815-212 | Joliet | |
| 815-213 | Sterling | 9/29/2004 |
| 815-214 | Kankakee | |
| 815-215 | New Lenox | 2/4/2002 |
| 815-216 | Kankakee | |
| 815-217 | De Kalb | |
| 815-218 | Rockford | |
| 815-219 | Crystal Lake | 6/6/2006 |
| 815-220 | La Salle | |
| 815-221 | Lockport | |
| 815-222 | Rockford | |
| 815-223 | La Salle | |
| 815-224 | La Salle | |
| 815-225 | Milledgeville | |
| 815-226 | Rockford | |
| 815-227 | Rockford | |
| 815-228 | Oglesby | |
| 815-229 | Rockford | |
| 815-230 | Plainfield | |
| 815-231 | Rockford | |
| 815-232 | Freeport | |
| 815-233 | Freeport | |
| 815-234 | Byron | |
| 815-235 | Freeport | |
| 815-236 | Woodstock | |
| 815-237 | Gardner | |
| 815-238 | Freeport | |
| 815-239 | Pecatonica | |
| 815-240 | Rock Cut | 10/18/2010 |
| 815-241 | Northbrook | |
| 815-242 | Minooka | 5/2/2014 |
| 815-243 | Rockford | |
| 815-244 | Mount Carroll | |
| 815-245 | Woodstock | |
| 815-246 | Earlville | |
| 815-247 | Seward | |
| 815-248 | Durand | |
| 815-249 | Grand Ridge | |
| 815-250 | La Salle | 8/25/2006 |
| 815-251 | Nelson | |
| 815-252 | Oglesby | |
| 815-253 | Kempton | |
| 815-254 | Plainfield | |
| 815-255 | Minooka | 11/3/2009 |
| 815-256 | Stelle | |
| 815-257 | Streator | |
| 815-258 | Joliet | |
| 815-259 | Thomson | |
| 815-260 | Joliet | |
| 815-261 | Crystal Lake | |
| 815-262 | Rockford | |
| 815-263 | Kankakee | |
| 815-264 | Waterman | |
| 815-265 | Gilman | |
| 815-266 | Freeport | |
| 815-267 | Plainfield | |
| 815-268 | Onarga | |
| 815-269 | Danforth | |
| 815-270 | Roscoe | 4/24/2007 |
| 815-271 | Mchenry | |
| 815-272 | Joliet | |
| 815-273 | Savanna | |
| 815-274 | Joliet | |
| 815-275 | Freeport | |
| 815-276 | Crystal Lake | |
| 815-277 | Frankfort | |
| 815-278 | Kankakee | |
| 815-279 | Kankakee | |
| 815-280 | Joliet | |
| 815-281 | Galena | 6/15/2004 |
| 815-282 | Rockford | |
| 815-283 | Waterman | 3/5/2010 |
| 815-284 | Dixon | |
| 815-285 | Dixon | |
| 815-286 | Hinckley | |
| 815-287 | Verona | |
| 815-288 | Dixon | |
| 815-289 | Rockford | |
| 815-290 | Minooka | 2/10/2006 |
| 815-291 | Freeport | |
| 815-292 | South Bergen | |
| 815-293 | Lockport | |
| 815-294 | La Grange | |
| 815-295 | Kankakee | |
| 815-296 | Rockford | 11/20/2019 |
| 815-297 | Freeport | |
| 815-298 | Rockford | |
| 815-299 | Rockford | |
| 815-300 | New Lenox | 12/22/2010 |
| 815-301 | Crystal Lake | |
| 815-302 | Joliet | |
| 815-303 | Princeton | |
| 815-304 | Kankakee | |
| 815-305 | Gardner | |
| 815-306 | Lockport | |
| 815-307 | Mchenry | |
| 815-308 | Woodstock | |
| 815-309 | Shannon | 7/18/2006 |
| 815-310 | Utica | |
| 815-312 | Rockford | 12/15/2008 |
| 815-313 | Ottawa | |
| 815-314 | Manhattan | |
| 815-315 | Rockford | |
| 815-316 | Rockford | |
| 815-317 | Crescent City | |
| 815-318 | Morris | |
| 815-319 | Rockford | |
| 815-320 | New Lenox | 4/28/2009 |
| 815-321 | Woodstock | |
| 815-322 | Mchenry | |
| 815-323 | Belvidere | 2/10/2005 |
| 815-324 | Ottawa | 1/8/2010 |
| 815-325 | Joliet | |
| 815-326 | Oglesby | |
| 815-327 | Plainfield | |
| 815-328 | Lockport | |
| 815-329 | Rockford | 3/11/2013 |
| 815-330 | Crescent City | |
| 815-331 | Mchenry | |
| 815-332 | Cherry Valley | |
| 815-333 | Woodstock | |
| 815-334 | Woodstock | |
| 815-335 | Winnebago | |
| 815-336 | Coleta | |
| 815-337 | Woodstock | |
| 815-338 | Woodstock | |
| 815-339 | Granville | |
| 815-340 | La Moille | 8/25/2006 |
| 815-341 | Joliet | |
| 815-342 | Joliet | |
| 815-343 | Oglesby | |
| 815-344 | Mchenry | |
| 815-345 | Woodstock | |
| 815-346 | Gardner | |
| 815-347 | Woodstock | |
| 815-348 | Kankakee | 10/16/2009 |
| 815-349 | Mchenry | |
| 815-350 | Franklin Grove | |
| 815-351 | Kankakee | |
| 815-352 | Kankakee | |
| 815-353 | Woodstock | |
| 815-354 | Woodstock | |
| 815-355 | Woodstock | |
| 815-356 | Crystal Lake | |
| 815-357 | Seneca | |
| 815-358 | Cornell | |
| 815-359 | Harmon | |
| 815-360 | Sublette | |
| 815-361 | Manhattan | |
| 815-362 | German Valley | |
| 815-363 | Mchenry | |
| 815-364 | Morris | |
| 815-365 | Reddick | |
| 815-366 | Ottawa | |
| 815-367 | Winslow | |
| 815-368 | Lostant | |
| 815-369 | Lena | |
| 815-370 | Kankakee | |
| 815-371 | Utica | |
| 815-372 | Lockport | |
| 815-373 | Elwood | 11/4/2009 |
| 815-374 | Dwight | 11/4/2009 |
| 815-375 | De Kalb | |
| 815-376 | Ohio | |
| 815-377 | Crescent City | |
| 815-378 | Rockford | |
| 815-379 | Walnut | |
| 815-380 | Sterling | |
| 815-381 | Rockford | |
| 815-382 | Woodstock | |
| 815-383 | Crescent City | |
| 815-384 | Creston | |
| 815-385 | Mchenry | |
| 815-386 | Kankakee | |
| 815-387 | Rockford | |
| 815-388 | Mchenry | |
| 815-389 | South Beloit | |
| 815-390 | Braidwood | 10/14/2004 |
| 815-391 | Rockford | |
| 815-392 | Kinsman | |
| 815-393 | Monroe Center | |
| 815-394 | Rockford | |
| 815-395 | Rockford | |
| 815-396 | Steward | |
| 815-397 | Rockford | |
| 815-398 | Rockford | |
| 815-399 | Rockford | |
| 815-400 | Morrison | 2/15/2010 |
| 815-401 | Kankakee | |
| 815-402 | Galena | |
| 815-403 | Mchenry | |
| 815-404 | Crystal Lake | |
| 815-405 | Joliet | |
| 815-406 | Byron | |
| 815-407 | Lockport | |
| 815-408 | Utica | |
| 815-409 | Joliet | 8/18/2005 |
| 815-410 | La Salle | 2/4/2002 |
| 815-412 | Frankfort | |
| 815-413 | Morris | |
| 815-414 | Earlville | 10/14/2004 |
| 815-415 | Seneca | |
| 815-416 | Morris | |
| 815-417 | Braidwood | |
| 815-418 | Manhattan | |
| 815-419 | Pontiac | 3/19/2003 |
| 815-420 | Rockford | |
| 815-421 | Herscher | |
| 815-422 | St Anne | |
| 815-423 | Elwood | |
| 815-424 | Elwood | |
| 815-425 | Crystal Lake | |
| 815-426 | Herscher | |
| 815-427 | St Anne | |
| 815-428 | Martinton | |
| 815-429 | Sheldon | |
| 815-430 | Mchenry | |
| 815-431 | Ottawa | |
| 815-432 | Watseka | |
| 815-433 | Ottawa | |
| 815-434 | Ottawa | |
| 815-435 | Beaverville | |
| 815-436 | Plainfield | |
| 815-437 | Putnam | |
| 815-438 | Tampico | |
| 815-439 | Plainfield | |
| 815-440 | Dixon | |
| 815-441 | Sterling | |
| 815-442 | Tonica | |
| 815-443 | Pearl City | |
| 815-444 | Crystal Lake | |
| 815-445 | Manlius | |
| 815-446 | Cedarpoint | |
| 815-447 | Depue | |
| 815-448 | Mazon | |
| 815-449 | Dakota | |
| 815-450 | Momence | 7/27/2004 |
| 815-451 | Woodstock | |
| 815-452 | Toluca | |
| 815-453 | Ashton | |
| 815-454 | Sheffield | |
| 815-455 | Crystal Lake | |
| 815-456 | Franklin Grove | |
| 815-457 | Cissna Park | |
| 815-458 | Braidwood | |
| 815-459 | Crystal Lake | |
| 815-460 | Joliet | |
| 815-461 | Lockport | |
| 815-462 | New Lenox | |
| 815-463 | New Lenox | |
| 815-464 | Frankfort | |
| 815-465 | Grant Park | |
| 815-466 | Grant Park | |
| 815-467 | Minooka | |
| 815-468 | Manteno | |
| 815-469 | Frankfort | |
| 815-470 | Rockford | |
| 815-471 | Watseka | |
| 815-472 | Momence | |
| 815-473 | Woodland | |
| 815-474 | Joliet | |
| 815-475 | Plattville | |
| 815-476 | Wilmington | |
| 815-477 | Crystal Lake | |
| 815-478 | Manhattan | |
| 815-479 | Crystal Lake | |
| 815-480 | Rockford | 3/22/2001 |
| 815-481 | La Grange | |
| 815-482 | Woodstock | |
| 815-483 | Joliet | |
| 815-484 | Rockford | |
| 815-485 | New Lenox | |
| 815-486 | Donovan | |
| 815-487 | Plainfield | |
| 815-488 | La Grange | |
| 815-489 | Rockford | |
| 815-490 | Rockford | |
| 815-491 | Rockford | 3/13/2013 |
| 815-492 | Apple River | |
| 815-493 | Lanark | |
| 815-494 | Rockford | |
| 815-495 | Leland | |
| 815-496 | Sheridan | |
| 815-497 | Compton | |
| 815-498 | Somonauk | |
| 815-499 | Sterling | |
| 815-500 | Marseilles | |
| 815-501 | De Kalb | |
| 815-502 | Woodstock | |
| 815-503 | Mendota | |
| 815-504 | Gardner | |
| 815-505 | Rockford | |
| 815-506 | Union | 2/27/2002 |
| 815-507 | Momence | 12/28/2001 |
| 815-508 | De Kalb | 6/16/2004 |
| 815-509 | Rockford | |
| 815-510 | Streator | 1/8/2010 |
| 815-512 | Lockport | |
| 815-513 | Morris | 2/27/2002 |
| 815-514 | Joliet | 1/24/2001 |
| 815-515 | Watseka | 2/4/2002 |
| 815-516 | Rockford | 1/24/2001 |
| 815-517 | De Kalb | 6/28/2004 |
| 815-518 | Coal City | 10/23/2001 |
| 815-519 | Rockford | |
| 815-520 | Rockford | |
| 815-521 | Minooka | |
| 815-522 | Kirkland | |
| 815-523 | Kankakee | |
| 815-524 | Lockport | |
| 815-525 | South Beloit | |
| 815-526 | Crystal Lake | |
| 815-527 | Woodstock | |
| 815-528 | Mchenry | |
| 815-529 | Woodstock | |
| 815-530 | Joliet | |
| 815-531 | Joliet | |
| 815-532 | Morris | |
| 815-533 | La Grange | |
| 815-534 | Frankfort | |
| 815-535 | Sterling | |
| 815-536 | La Grange | |
| 815-537 | Prophetstown | |
| 815-538 | Mendota | |
| 815-539 | Mendota | |
| 815-540 | Rockford | |
| 815-541 | Freeport | |
| 815-542 | Thomas | |
| 815-543 | Rockford | |
| 815-544 | Belvidere | |
| 815-545 | Joliet | |
| 815-546 | Joliet | |
| 815-547 | Belvidere | |
| 815-548 | Sterling | |
| 815-549 | Kankakee | |
| 815-550 | Grant Park | |
| 815-551 | Lanark | 8/1/2018 |
| 815-552 | Lockport | 4/10/2001 |
| 815-553 | Joliet | 4/10/2001 |
| 815-554 | East Dubuque | |
| 815-556 | Plainfield | 4/10/2001 |
| 815-557 | Joliet | |
| 815-558 | Rockford | |
| 815-559 | Chenoa | |
| 815-560 | Harvard | 5/3/2002 |
| 815-561 | Rochelle | |
| 815-562 | Rochelle | |
| 815-563 | Cedarville | |
| 815-564 | Sterling | |
| 815-565 | Savanna | |
| 815-566 | Belvidere | 6/21/2002 |
| 815-567 | Campus | |
| 815-568 | Marengo | |
| 815-569 | Capron | |
| 815-570 | Sandwich | 8/21/2002 |
| 815-571 | Shannon | 4/21/2006 |
| 815-572 | Marengo | |
| 815-573 | Kankakee | 2/27/2002 |
| 815-574 | Harmon | |
| 815-575 | Woodstock | |
| 815-576 | Polo | |
| 815-577 | Plainfield | |
| 815-578 | Mchenry | |
| 815-579 | La Salle | |
| 815-580 | Cherry Valley | 3/18/2003 |
| 815-581 | Spring Grove | 10/6/2005 |
| 815-582 | Joliet | 10/6/2005 |
| 815-583 | Morrison | |
| 815-584 | Dwight | |
| 815-585 | Morris | 5/3/2002 |
| 815-586 | Ransom | |
| 815-587 | Ottawa | 4/2/2002 |
| 815-588 | Lockport | |
| 815-589 | Fulton | |
| 815-590 | Sterling | 7/14/2003 |
| 815-591 | Hanover | |
| 815-592 | Kankakee | |
| 815-593 | De Kalb | |
| 815-594 | Apple River | |
| 815-595 | Oregon | 10/2/2003 |
| 815-596 | Marengo | 2/10/2006 |
| 815-597 | Garden Prairie | |
| 815-598 | Massbach | |
| 815-599 | Freeport | |
| 815-600 | Joliet | 7/14/2003 |
| 815-601 | Rockford | |
| 815-602 | Kankakee | |
| 815-603 | Joliet | 9/28/2001 |
| 815-604 | Belvidere | 7/31/2019 |
| 815-605 | Grant Park | 4/2/2002 |
| 815-606 | Ottawa | |
| 815-607 | Flanagan | 11/16/2004 |
| 815-608 | Rockford | 9/30/2002 |
| 815-609 | Plainfield | 10/24/2001 |
| 815-610 | Cornell | 11/16/2004 |
| 815-612 | Graymont | 11/16/2004 |
| 815-613 | Dixon | 8/30/2019 |
| 815-614 | Kankakee | |
| 815-615 | Mendota | 10/31/2001 |
| 815-616 | Freeport | 1/7/2004 |
| 815-617 | Ottawa | |
| 815-618 | Freeport | 12/21/2006 |
| 815-619 | Rockton | 5/27/2003 |
| 815-620 | Minooka | 10/31/2018 |
| 815-621 | Rockford | |
| 815-622 | Sterling | |
| 815-623 | Roscoe | |
| 815-624 | Rockton | |
| 815-625 | Sterling | |
| 815-626 | Sterling | |
| 815-627 | Paw Paw | |
| 815-628 | West Brooklyn | |
| 815-629 | Shirland | |
| 815-630 | Joliet | 7/24/2006 |
| 815-631 | Sterling | |
| 815-632 | Sterling | |
| 815-633 | Rockford | |
| 815-634 | Coal City | |
| 815-635 | Chatsworth | |
| 815-636 | Rockford | |
| 815-637 | Rockford | |
| 815-638 | La Moille | |
| 815-639 | Rockford | |
| 815-640 | Ottawa | 12/28/2001 |
| 815-641 | Joliet | 1/21/2008 |
| 815-642 | Minooka | |
| 815-643 | Dover | |
| 815-644 | Crescent City | |
| 815-645 | Stilman Valley | |
| 815-646 | Tiskilwa | |
| 815-647 | Cullom | |
| 815-648 | Hebron | |
| 815-649 | Gardner | |
| 815-650 | Freeport | |
| 815-651 | Joliet | |
| 815-652 | Grand Detour | |
| 815-653 | Wonder Lake | |
| 815-654 | Rockford | |
| 815-655 | Coal City | 2/18/2019 |
| 815-656 | Freeport | 6/26/2002 |
| 815-657 | Forrest | |
| 815-658 | Newark | 8/2/2019 |
| 815-659 | Bureau | |
| 815-660 | Lockport | |
| 815-661 | Morris | |
| 815-662 | Momence | |
| 815-663 | Spring Valley | |
| 815-664 | Spring Valley | |
| 815-665 | Ottawa | |
| 815-666 | Joliet | 8/30/2006 |
| 815-667 | Utica | |
| 815-668 | Rockford | 4/2/2009 |
| 815-669 | Mchenry | |
| 815-670 | Rockford | |
| 815-671 | Joliet | |
| 815-672 | Streator | |
| 815-673 | Streator | |
| 815-674 | Streator | |
| 815-675 | Spring Grove | |
| 815-676 | Plainfield | |
| 815-677 | Dixon | 3/17/2005 |
| 815-678 | Richmond | |
| 815-679 | Mchenry | |
| 815-680 | Manhattan | |
| 815-681 | Oglesby | 7/30/2010 |
| 815-682 | Stockland | |
| 815-683 | Crescent City | |
| 815-684 | Chadwick | |
| 815-685 | Joliet | |
| 815-686 | Piper City | |
| 815-687 | Woodstock | |
| 815-688 | Strawn | |
| 815-689 | Cullom | |
| 815-690 | Joliet | |
| 815-691 | Utica | |
| 815-692 | Fairbury | |
| 815-693 | Joliet | |
| 815-694 | Clifton | |
| 815-695 | Newark | |
| 815-696 | Roscoe | 5/27/2003 |
| 815-697 | Chebanse | |
| 815-698 | Ashkum | |
| 815-699 | Wyanet | |
| 815-701 | Woodstock | 4/2/2002 |
| 815-702 | Saunemin | |
| 815-703 | Rockford | 6/4/2002 |
| 815-704 | South Beloit | 2/23/2001 |
| 815-705 | Morris | 12/28/2001 |
| 815-706 | Rockford | 9/3/2019 |
| 815-707 | Gilman | 12/6/2001 |
| 815-708 | Rockford | 6/23/2006 |
| 815-709 | Coal City | 12/28/2001 |
| 815-710 | Morris | 1/24/2001 |
| 815-712 | La Salle | 7/5/2002 |
| 815-713 | Rockford | 9/28/2001 |
| 815-714 | Joliet | |
| 815-715 | Joliet | 5/22/2001 |
| 815-716 | Sterling | 10/31/2001 |
| 815-717 | New Lenox | |
| 815-718 | Sterling | 10/22/2002 |
| 815-719 | Princeton | 7/5/2002 |
| 815-720 | Rockford | |
| 815-721 | Rockford | |
| 815-722 | Joliet | |
| 815-723 | Joliet | |
| 815-724 | Joliet | |
| 815-725 | Joliet | |
| 815-726 | Joliet | |
| 815-727 | Joliet | |
| 815-728 | Wonder Lake | |
| 815-729 | Joliet | |
| 815-730 | Joliet | |
| 815-731 | Plainfield | 2/16/2006 |
| 815-732 | Oregon | |
| 815-733 | Plainfield | |
| 815-734 | Mount Morris | |
| 815-735 | Joliet | |
| 815-736 | Lisbon | |
| 815-737 | South Sharon | |
| 815-738 | Leaf River | |
| 815-739 | Sycamore | |
| 815-740 | Joliet | |
| 815-741 | Joliet | |
| 815-742 | Rockford | |
| 815-743 | Graymont | |
| 815-744 | Joliet | |
| 815-745 | Warren | |
| 815-746 | Marseilles | 5/13/2008 |
| 815-747 | East Dubuque | |
| 815-748 | De Kalb | |
| 815-749 | Rockford | |
| 815-750 | Marseilles | 1/23/2003 |
| 815-751 | De Kalb | |
| 815-752 | De Kalb | |
| 815-753 | De Kalb | |
| 815-754 | De Kalb | |
| 815-755 | Seneca | 1/8/2016 |
| 815-756 | De Kalb | |
| 815-757 | De Kalb | |
| 815-758 | De Kalb | |
| 815-759 | Mchenry | |
| 815-760 | Bureau | 10/25/2005 |
| 815-761 | De Kalb | |
| 815-762 | De Kalb | |
| 815-763 | Rockford | |
| 815-764 | De Kalb | |
| 815-765 | Poplar Grove | |
| 815-766 | De Kalb | |
| 815-767 | La Grange | 4/16/2001 |
| 815-768 | Joliet | |
| 815-769 | Seneca | 4/27/2001 |
| 815-770 | Harvard | 2/13/2006 |
| 815-771 | Ashkum | |
| 815-772 | Morrison | |
| 815-773 | Joliet | |
| 815-774 | Joliet | |
| 815-775 | Woodstock | |
| 815-776 | Galena | |
| 815-777 | Galena | |
| 815-778 | Lyndon | |
| 815-780 | La Salle | 8/22/2001 |
| 815-781 | Chebanse | |
| 815-782 | Plainfield | |
| 815-783 | Gilman | |
| 815-784 | Genoa | |
| 815-785 | Watseka | |
| 815-786 | Sandwich | |
| 815-787 | De Kalb | |
| 815-788 | Crystal Lake | 3/22/2001 |
| 815-789 | Orangeville | |
| 815-790 | Woodstock | |
| 815-791 | Joliet | 7/24/2001 |
| 815-792 | Harding | |
| 815-793 | De Kalb | 6/25/2001 |
| 815-794 | Marseilles | |
| 815-795 | Marseilles | |
| 815-796 | Flanagan | |
| 815-797 | Somonauk | 12/6/2001 |
| 815-798 | Milledgeville | |
| 815-799 | Manlius | 8/22/2001 |
| 815-800 | Poplar Grove | 3/24/2010 |
| 815-801 | Freeport | |
| 815-802 | Kankakee | 9/28/2001 |
| 815-803 | Byron | 3/22/2001 |
| 815-804 | Pecatonica | |
| 815-805 | Durand | |
| 815-806 | Frankfort | |
| 815-807 | German Valley | |
| 815-808 | Winslow | |
| 815-809 | Lena | |
| 815-810 | Pearl City | |
| 815-812 | Dakota | |
| 815-813 | Apple River | |
| 815-814 | Woodstock | 4/27/2001 |
| 815-816 | Cedarville | |
| 815-817 | Hanover | |
| 815-818 | Warren | |
| 815-819 | Orangeville | |
| 815-820 | Elizabeth | |
| 815-821 | Freeport | 5/22/2001 |
| 815-822 | Streator | 4/27/2001 |
| 815-823 | Joliet | |
| 815-824 | Shabbona | |
| 815-825 | Malta | |
| 815-826 | Somonauk | 5/12/2004 |
| 815-827 | Maple Park | |
| 815-828 | Minooka | 8/22/2001 |
| 815-829 | Chadwick | |
| 815-830 | Oglesby | |
| 815-831 | Davis | |
| 815-832 | Saunemin | |
| 815-833 | Mcconnell | |
| 815-834 | Lockport | |
| 815-835 | Dixon | |
| 815-836 | Lockport | |
| 815-837 | Forreston | |
| 815-838 | Lockport | |
| 815-839 | Kankakee | |
| 815-840 | Stockton | |
| 815-841 | Mount Morris | |
| 815-842 | Pontiac | |
| 815-843 | Ashton | |
| 815-844 | Pontiac | |
| 815-845 | Scales Mound | |
| 815-846 | Joliet | |
| 815-847 | Rockford | 4/18/2005 |
| 815-848 | Pontiac | |
| 815-849 | Sublette | |
| 815-850 | Seward | |
| 815-851 | Kankakee | |
| 815-852 | Scales Mound | |
| 815-853 | Wenona | |
| 815-854 | Long Point | |
| 815-855 | Milledgeville | 4/2/2002 |
| 815-856 | Leonore | |
| 815-857 | Amboy | |
| 815-858 | Elizabeth | |
| 815-859 | Rochelle | 9/30/2019 |
| 815-860 | Elwood | 3/5/2010 |
| 815-861 | Woodstock | |
| 815-862 | Richmond | 11/18/2008 |
| 815-863 | Rutland | |
| 815-864 | Shannon | |
| 815-865 | Davis | |
| 815-866 | Princeton | |
| 815-867 | Pontiac | 4/27/2001 |
| 815-868 | Mcconnell | |
| 815-869 | Magnolia | |
| 815-870 | Rockford | |
| 815-871 | Rockford | |
| 815-872 | Princeton | |
| 815-873 | New Milford | |
| 815-874 | New Milford | |
| 815-875 | Princeton | |
| 815-876 | Princeton | |
| 815-877 | Rockford | |
| 815-878 | Princeton | |
| 815-879 | Princeton | |
| 815-880 | Woodstock | 1/24/2001 |
| 815-881 | Oregon | |
| 815-882 | Mcnabb | |
| 815-883 | Oglesby | |
| 815-884 | Earlville | 3/23/2010 |
| 815-885 | Rock Cut | |
| 815-886 | Lockport | |
| 815-887 | Harvard | 5/3/2002 |
| 815-888 | Rochelle | 11/27/2006 |
| 815-889 | Milford | |
| 815-890 | New Milford | 5/27/2003 |
| 815-891 | Winnebago | 6/25/2001 |
| 815-892 | Stilman Valley | 11/21/2019 |
| 815-893 | Crystal Lake | 12/30/2004 |
| 815-894 | Ladd | |
| 815-895 | Sycamore | |
| 815-896 | Shirland | 7/24/2001 |
| 815-897 | Lyndon | |
| 815-898 | Massbach | 2/23/2001 |
| 815-899 | Sycamore | |
| 815-900 | Mchenry | 8/4/2010 |
| 815-901 | De Kalb | 2/14/2005 |
| 815-902 | Thomson | 6/25/2001 |
| 815-903 | Mchenry | 2/27/2002 |
| 815-904 | Rockford | 8/31/2006 |
| 815-905 | Lockport | 2/27/2002 |
| 815-906 | Mount Carroll | 4/21/2006 |
| 815-907 | Manteno | 12/6/2001 |
| 815-908 | Freeport | |
| 815-909 | De Kalb | 5/22/2001 |
| 815-910 | Mendota | 6/25/2001 |
| 815-912 | Belvidere | 9/28/2001 |
| 815-913 | Chadwick | |
| 815-914 | Rockford | |
| 815-915 | Princeton | 12/28/2001 |
| 815-916 | Plattville | |
| 815-917 | Rochelle | |
| 815-918 | Clifton | 8/22/2001 |
| 815-919 | Joliet | 2/23/2001 |
| 815-920 | Cornell | 11/22/2005 |
| 815-921 | Rockford | 4/27/2001 |
| 815-922 | Kankakee | |
| 815-923 | Union | |
| 815-924 | Prophetstown | |
| 815-925 | Hennepin | |
| 815-926 | Wilmington | 5/22/2001 |
| 815-927 | Joliet | |
| 815-928 | Kankakee | |
| 815-929 | Kankakee | |
| 815-930 | Elizabeth | 6/4/2002 |
| 815-931 | Joliet | |
| 815-932 | Kankakee | |
| 815-933 | Kankakee | |
| 815-934 | Emington | |
| 815-935 | Kankakee | |
| 815-936 | Kankakee | |
| 815-937 | Kankakee | |
| 815-938 | Forreston | |
| 815-939 | Kankakee | |
| 815-940 | Gardner | 5/3/2002 |
| 815-941 | Morris | |
| 815-942 | Morris | |
| 815-943 | Harvard | |
| 815-944 | Momence | |
| 815-945 | Chenoa | |
| 815-946 | Polo | |
| 815-947 | Stockton | |
| 815-948 | Hooppole | |
| 815-949 | Cabery | |
| 815-951 | Amboy | |
| 815-952 | Lanark | 7/18/2006 |
| 815-953 | Kankakee | |
| 815-954 | Kankakee | |
| 815-955 | Joliet | 7/5/2002 |
| 815-956 | Morrison | |
| 815-957 | Rockton | 2/22/2005 |
| 815-960 | Leaf River | 6/4/2002 |
| 815-961 | Rockford | |
| 815-962 | Rockford | |
| 815-963 | Rockford | |
| 815-964 | Rockford | |
| 815-965 | Rockford | |
| 815-966 | Rockford | |
| 815-967 | Rockford | |
| 815-968 | Rockford | |
| 815-969 | Rockford | |
| 815-970 | Sycamore | 7/5/2002 |
| 815-971 | Rockford | |
| 815-972 | Rockford | |
| 815-973 | Dixon | |
| 815-974 | Hebron | 7/3/2018 |
| 815-975 | Belvidere | 9/3/2002 |
| 815-977 | Rockford | 6/25/2003 |
| 815-978 | Rockford | |
| 815-979 | Rockford | |
| 815-980 | Rockford | 6/15/2006 |
| 815-981 | De Kalb | 9/30/2002 |
| 815-982 | Tampico | |
| 815-983 | Rockford | |
| 815-984 | Wellington | |
| 815-985 | Rockford | |
| 815-986 | Rockford | |
| 815-987 | Rockford | |
| 815-988 | Rockford | |
| 815-989 | Prophetstown | 1/4/2005 |
| 815-990 | Freeport | 10/22/2002 |
| 815-991 | Sycamore | |
| 815-992 | Streator | 4/21/2005 |
| 815-993 | Oglesby | 9/22/2006 |
| 815-994 | Dixon | 4/14/2003 |
| 815-995 | De Kalb | 6/10/2009 |
| 815-996 | Savanna | |
| 815-997 | Rockford | 3/26/2003 |
| 815-998 | Odell | |
| 815-999 | Joliet | 7/14/2003 |
- The NPA refers to the Numbering Plan Area (area code) and the NXX refers to the central office code.
- The rate center is listed under ‘Area served’. A rate center is the geographic area used to determine local calling boundaries for billing purposes in the North American Numbering Plan. NPA-NXX are generally associated with a locality, but are not always the only one offering services.
- Assignment date. Exchange codes assigned prior to 2001 do not display a date.
List of Cities in Area Code 815
Looking to find out what cities are in your area code 815? You’ve come to the right place! We’ve put together a comprehensive list of major cities and their corresponding area codes. Whether you’re looking to relocate or just curious, you’ll be able to find what you need here.
So without further ado, let’s get started! We’ve compiled a list of every city in the 815 area code with the corresponding phone number. We hope you find this information helpful!
| City | County | Time |
|---|---|---|
| Alden | McHenry | C |
| Amboy | Lee | C |
| Ancona | Livingston | C |
| Apple River | Jo Daviess | C |
| Arlington | Bureau | C |
| Aroma Park | Kankakee | C |
| Ashkum | Iroquois | C |
| Ashton | Lee | C |
| Baileyville | Ogle | C |
| Beaverville | Iroquois | C |
| Belvidere | Boone | C |
| Blackstone | Livingston | C |
| Bonfield | Kankakee | C |
| Bourbonnais | Kankakee | C |
| Braceville | Grundy | C |
| Bradley | Kankakee | C |
| Braidwood | Will | C |
| Buckingham | Kankakee | C |
| Bureau | Bureau | C |
| Byron | Ogle | C |
| Cabery | Ford | C |
| Caledonia | Boone | C |
| Campus | Livingston | C |
| Capron | Boone | C |
| Cedar Point | La Salle | C |
| Cedarville | Stephenson | C |
| Chadwick | Carroll | C |
| Chana | Ogle | C |
| Channahon | Will | C |
| Chatsworth | Livingston | C |
| Chebanse | Iroquois | C |
| Chenoa | McLean | C |
| Cherry | Bureau | C |
| Cherry Valley | Winnebago | C |
| Cissna Park | Iroquois | C |
| Clare | Dekalb | C |
| Claytonville | Iroquois | C |
| Clifton | Iroquois | C |
| Coal City | Grundy | C |
| Compton | Lee | C |
| Cornell | Livingston | C |
| Cortland | Dekalb | C |
| Crescent City | Iroquois | C |
| Creston | Ogle | C |
| Crystal Lake | McHenry | C |
| Cullom | Livingston | C |
| Dakota | Stephenson | C |
| Dalzell | Bureau | C |
| Dana | La Salle | C |
| Danforth | Iroquois | C |
| Davis | Stephenson | C |
| Davis Junction | Ogle | C |
| Deer Grove | Whiteside | C |
| Dekalb | Dekalb | C |
| Depue | Bureau | C |
| Dixon | Lee | C |
| Donovan | Iroquois | C |
| Dover | Bureau | C |
| Durand | Winnebago | C |
| Dwight | Livingston | C |
| Earlville | La Salle | C |
| East Dubuque | Jo Daviess | C |
| Eldena | Lee | C |
| Eleroy | Stephenson | C |
| Elizabeth | Jo Daviess | C |
| Elwood | Will | C |
| Emington | Livingston | C |
| Esmond | Dekalb | C |
| Essex | Kankakee | C |
| Fairbury | Livingston | C |
| Flanagan | Livingston | C |
| Forrest | Livingston | C |
| Forreston | Ogle | C |
| Frankfort | Will | C |
| Franklin Grove | Lee | C |
| Freeport | Stephenson | C |
| Fulton | Whiteside | C |
| Galena | Jo Daviess | C |
| Galt | Whiteside | C |
| Garden Prairie | Boone | C |
| Gardner | Grundy | C |
| Genoa | Dekalb | C |
| German Valley | Stephenson | C |
| Gilman | Iroquois | C |
| Goodwine | Iroquois | C |
| Grand Ridge | La Salle | C |
| Grant Park | Kankakee | C |
| Granville | Putnam | C |
| Graymont | Livingston | C |
| Hanover | Jo Daviess | C |
| Harmon | Lee | C |
| Harvard | McHenry | C |
| Hebron | McHenry | C |
| Hennepin | Putnam | C |
| Herscher | Kankakee | C |
| Hinckley | Dekalb | C |
| Holcomb | Ogle | C |
| Homer Glen | Will | C |
| Hooppole | Henry | C |
| Hopkins Park | Kankakee | C |
| Iroquois | Iroquois | C |
| Joliet | Will | C |
| Kankakee | Kankakee | C |
| Kasbeer | Bureau | C |
| Kempton | Ford | C |
| Kent | Stephenson | C |
| Kingston | Dekalb | C |
| Kinsman | Grundy | C |
| Kirkland | Dekalb | C |
| La Moille | Bureau | C |
| La Salle | La Salle | C |
| Ladd | Bureau | C |
| Lanark | Carroll | C |
| Leaf River | Ogle | C |
| Lee | Lee | C |
| Lee Center | Lee | C |
| Leland | La Salle | C |
| Lena | Stephenson | C |
| Leonore | La Salle | C |
| Lindenwood | Ogle | C |
| Lockport | Will | C |
| Long Point | Livingston | C |
| Lostant | La Salle | C |
| Loves Park | Winnebago | C |
| Lyndon | Whiteside | C |
| Machesney Park | Winnebago | C |
| Magnolia | Putnam | C |
| Malden | Bureau | C |
| Malta | Dekalb | C |
| Manhattan | Will | C |
| Manlius | Bureau | C |
| Manteno | Kankakee | C |
| Maple Park | Kane | C |
| Marengo | McHenry | C |
| Mark | Putnam | C |
| Marseilles | La Salle | C |
| Martinton | Iroquois | C |
| Mazon | Grundy | C |
| Mc Connell | Stephenson | C |
| Mc Nabb | Putnam | C |
| McHenry | McHenry | C |
| Mendota | La Salle | C |
| Milford | Iroquois | C |
| Milledgeville | Carroll | C |
| Millington | Kendall | C |
| Minooka | Grundy | C |
| Momence | Kankakee | C |
| Monroe Center | Ogle | C |
| Morris | Grundy | C |
| Morrison | Whiteside | C |
| Mount Carroll | Carroll | C |
| Mount Morris | Ogle | C |
| Nachusa | Lee | C |
| New Bedford | Bureau | C |
| New Lenox | Will | C |
| Newark | Kendall | C |
| Nora | Jo Daviess | C |
| Odell | Livingston | C |
| Oglesby | La Salle | C |
| Ohio | Bureau | C |
| Onarga | Iroquois | C |
| Orangeville | Stephenson | C |
| Oregon | Ogle | C |
| Ottawa | La Salle | C |
| Papineau | Iroquois | C |
| Paw Paw | Lee | C |
| Pearl City | Stephenson | C |
| Pecatonica | Winnebago | C |
| Peru | La Salle | C |
| Piper City | Ford | C |
| Plainfield | Will | C |
| Polo | Ogle | C |
| Pontiac | Livingston | C |
| Poplar Grove | Boone | C |
| Princeton | Bureau | C |
| Prophetstown | Whiteside | C |
| Putnam | Putnam | C |
| Ransom | La Salle | C |
| Reddick | Kankakee | C |
| Richmond | McHenry | C |
| Ridott | Stephenson | C |
| Ringwood | McHenry | C |
| Rochelle | Ogle | C |
| Rock City | Stephenson | C |
| Rock Falls | Whiteside | C |
| Rockford | Winnebago | C |
| Rockton | Winnebago | C |
| Romeoville | Will | C |
| Roscoe | Winnebago | C |
| Rutland | La Salle | C |
| Sandwich | Dekalb | C |
| Saunemin | Livingston | C |
| Savanna | Carroll | C |
| Scales Mound | Jo Daviess | C |
| Seatonville | Bureau | C |
| Seneca | La Salle | C |
| Serena | La Salle | C |
| Seward | Winnebago | C |
| Shabbona | Dekalb | C |
| Shannon | Carroll | C |
| Sheffield | Bureau | C |
| Sheldon | Iroquois | C |
| Sheridan | La Salle | C |
| Shirland | Winnebago | C |
| Somonauk | Dekalb | C |
| South Beloit | Winnebago | C |
| South Wilmington | Grundy | C |
| Spring Grove | McHenry | C |
| Spring Valley | Bureau | C |
| St Anne | Kankakee | C |
| Standard | Putnam | C |
| Sterling | Whiteside | C |
| Steward | Lee | C |
| Stillman Valley | Ogle | C |
| Stockland | Iroquois | C |
| Stockton | Jo Daviess | C |
| Strawn | Livingston | C |
| Streator | La Salle | C |
| Sublette | Lee | C |
| Sycamore | Dekalb | C |
| Tampico | Whiteside | C |
| Thomson | Carroll | C |
| Tiskilwa | Bureau | C |
| Toluca | Marshall | C |
| Tonica | La Salle | C |
| Triumph | La Salle | C |
| Troy Grove | La Salle | C |
| Union | McHenry | C |
| Union Hill | Kankakee | C |
| Utica | La Salle | C |
| Van Orin | Bureau | C |
| Verona | Grundy | C |
| Walnut | Bureau | C |
| Warren | Jo Daviess | C |
| Waterman | Dekalb | C |
| Watseka | Iroquois | C |
| Wedron | La Salle | C |
| Wellington | Iroquois | C |
| Wenona | Marshall | C |
| West Brooklyn | Lee | C |
| Wilmington | Will | C |
| Winnebago | Winnebago | C |
| Winslow | Stephenson | C |
| Wonder Lake | McHenry | C |
| Woodland | Iroquois | C |
| Woodstock | McHenry | C |
| Woosung | Ogle | C |
| Wyanet | Bureau | C |
- The table above shows most of the places served by area code 815, but not all. The largest place of the same name is listed when there are two or more in a single state. We display bold text for cities with over 50,000 residents.
- The current time is 03:53:16 PM Central (currently 03:53:16 PM).