240 area code

Maryland (MD), USA is the area code for 240, and some of the main locations covered are Germantown, Rockville, Gaithersburg, … click here for a list of cities.

In service since 01 June 1997, area code 240 is an overlay code within overlay complex 301/240 (overlay codes cover the same geography).

Currently, it is 12:52:06 PM (Eastern Time) in area code 240.

240 Area Code Phone Lookup


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Map of area code 240

Map of area code 240
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Nearby to the 240 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 240-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 240? This infographic is a great place to start. It provides an overview of 240 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!

NPANXXArea servedDate
240-200Washington Zone 210/4/2010
240-201Ridge
240-202Highfield5/28/2020
240-203Hagerstown10/4/2011
240-204Washington Zone 29/7/2011
240-205Washington Zone 107/23/2003
240-206Washington Zone 14
240-207Damascus
240-208La Plata
240-209Indian Head
240-210Waldorf
240-212Oakland
240-213Waldorf
240-214Mechanicsville
240-215Frederick
240-216Waldorf3/15/2001
240-217Hagerstown4/16/2001
240-218Nanjemoy
240-219Ridge9/22/2014
240-220Poolesville
240-221Washington Zone 11
240-222Waldorf
240-223Washington Zone 2
240-224Gaithersburg9/10/2012
240-225Frederick
240-226Oakland7/16/2020
240-228Washington Zone 13
240-229Waldorf
240-230Hughesville
240-231Hagerstown
240-232Washington Zone 14
240-233Tompkinsville
240-234Washington Zone 210/4/2011
240-235Washington Zone 2
240-236Frederick
240-237Lexington Park-Great Mills
240-238Washington Zone 10
240-239Leonardtown
240-240Damascus7/2/2020
240-241Washington Zone 13
240-242Washington Zone 11
240-243Gaithersburg
240-244Washington Zone 16
240-245Washington Zone 14
240-246Gaithersburg
240-247Washington Zone 3
240-248Ridge
240-249Mechanicsville
240-250Brandywine
240-251Highfield
240-252Gaithersburg
240-253Washington Zone 6
240-254Hughesville
240-255Poolesville
240-256Leonardtown
240-257Nanjemoy
240-258Ridge
240-259Hughesville4/22/2021
240-260Washington Zone 14
240-261Gaithersburg12/23/2015
240-262Lexington Park-Great Mills10/17/2011
240-263Washington Zone 211/10/2011
240-264Laurel
240-265Washington Zone 211/10/2011
240-266Washington Zone 14
240-267Hagerstown5/18/2017
240-268Washington Zone 10
240-269Washington Zone 16
240-270Waldorf11/7/2011
240-271Washington Zone 2
240-272Washington Zone 211/10/2011
240-273Washington Zone 6
240-274Washington Zone 2
240-275Grantsville
240-276Washington Zone 105/4/2004
240-277Washington Zone 210/18/2002
240-278Laurel7/8/2011
240-279Waldorf
240-280Laurel
240-281Washington Zone 2
240-282Mechanicsville
240-283Washington Zone 11
240-284Frostburg11/1/2004
240-285Frederick
240-286Washington Zone 29/17/2002
240-287Hancock
240-288Thurmont11/1/2004
240-289Washington Zone 6
240-290Washington Zone 11
240-291Hagerstown10/15/2002
240-292Washington Zone 11
240-293Washington Zone 12
240-294Laurel
240-295Laurel
240-296Washington Zone 4
240-297Washington Zone 13
240-298Leonardtown
240-299Waldorf
240-300Waldorf12/7/2010
240-301Clear Spg6/9/2020
240-302Laurel9/28/2016
240-303Washington Zone 16
240-304Washington Zone 57/3/2002
240-305Washington Zone 3
240-306Gaithersburg
240-307Emmitsburg3/27/2003
240-308Damascus
240-309Leonardtown9/10/2012
240-310Hagerstown
240-312Washington Zone 5
240-313Hagerstown
240-314Washington Zone 10
240-315Frederick
240-316Washington Zone 2
240-317Lexington Park-Great Mills
240-318Washington Zone 16
240-319Laurel6/6/2008
240-320Waldorf
240-321Oakland
240-322McCool
240-323Emmitsburg
240-324Ashton10/8/2008
240-325Damascus
240-326Washington Zone 15
240-327Gaithersburg
240-328Washington Zone 10
240-329Hagerstown
240-330Washington Zone 212/14/2007
240-331Washington Zone 3
240-332Tompkinsville
240-333Washington Zone 25/9/2001
240-334Washington Zone 14
240-335Washington Zone 14
240-336Washington Zone 2
240-337Washington Zone 5
240-338Washington Zone 3
240-339Washington Zone 15
240-340Washington Zone 28/18/2011
240-341Buckeystown2/25/2009
240-342Ashton
240-343Hancock5/10/2011
240-344Frederick10/15/2002
240-345Ashton3/9/2006
240-346Waldorf
240-347Hagerstown8/4/2008
240-348Washington Zone 16
240-349La Plata
240-350Washington Zone 3
240-351Washington Zone 3
240-352La Plata
240-353Washington Zone 3
240-354Washington Zone 3
240-355Washington Zone 3
240-356Myersville
240-357Frederick6/12/2006
240-358Damascus
240-359Indian Head
240-360Laurel9/17/2013
240-361Gaithersburg
240-362Cumberland
240-363Washington Zone 11
240-364Gaithersburg5/9/2001
240-365Damascus
240-366Williamsport
240-367Frederick10/18/2002
240-368Waldorf
240-369Mount Airy
240-370Washington Zone 212/14/2007
240-371Washington Zone 12
240-372Gaithersburg
240-373Washington Zone 13
240-374Laurel
240-375Washington Zone 5
240-376Hughesville
240-377Indian Head
240-378Cumberland
240-379Frederick
240-380Washington Zone 29/17/2007
240-381Washington Zone 3
240-382Hagerstown6/11/2009
240-383Washington Zone 2
240-384Lexington Park-Great Mills
240-385Myersville
240-386Washington Zone 10
240-387Washington Zone 13
240-388Gaithersburg11/4/2002
240-389Ashton
240-390Ashton
240-391Washington Zone 13
240-392Washington Zone 5
240-393Washington Zone 3
240-394Mount Airy12/13/2004
240-395Washington Zone 2
240-396Washington Zone 2
240-397Frederick3/6/2009
240-398Washington Zone 37/3/2002
240-399Washington Zone 10
240-400Washington Zone 28/18/2011
240-401Washington Zone 10
240-402Washington Zone 139/21/2010
240-403Washington Zone 10
240-404Gaithersburg2/13/2001
240-405Frederick7/27/2004
240-406Washington Zone 109/17/2009
240-407Washington Zone 16
240-408Washington Zone 1010/14/2009
240-409Frederick
240-410Cumberland1/13/2021
240-412Waldorf1/16/2001
240-413Washington Zone 43/12/2001
240-414Washington Zone 6
240-415Frederick12/16/2008
240-416Waldorf5/18/2001
240-417Washington Zone 5
240-418Washington Zone 211/12/2001
240-419Waldorf10/29/2007
240-420Hagerstown
240-421Washington Zone 104/9/2001
240-422Frederick5/15/2002
240-423Washington Zone 35/21/2001
240-424Washington Zone 311/16/2007
240-425Washington Zone 2
240-426Washington Zone 210/25/2001
240-427Waldorf4/23/2001
240-428Washington Zone 10
240-429Washington Zone 312/19/2006
240-430Washington Zone 11
240-431Lexington Park-Great Mills
240-432Washington Zone 3
240-433Washington Zone 12
240-434Leonardtown
240-435Waldorf5/7/2009
240-436Buckeystown
240-437Ashton
240-438Washington Zone 38/15/2011
240-439Frederick6/6/2008
240-440Frederick2/27/2009
240-441Washington Zone 66/6/2001
240-442Oakland5/22/2001
240-443Washington Zone 611/6/2020
240-444Laurel9/7/2011
240-445Washington Zone 211/10/2011
240-446Frederick8/9/2001
240-447Washington Zone 10
240-448Waldorf9/7/2011
240-449Gaithersburg
240-450Washington Zone 3
240-451Thurmont9/2/2016
240-452Hagerstown7/22/2010
240-453Washington Zone 10
240-454Gaithersburg4/22/2005
240-455Washington Zone 56/20/2001
240-456Laurel
240-457Frederick9/4/2008
240-458Waldorf10/4/2011
240-459Laurel7/27/2010
240-460Washington Zone 3
240-461Washington Zone 3
240-462Washington Zone 3
240-463Washington Zone 3
240-464Washington Zone 2
240-465Washington Zone 2
240-466Mechanicsville7/10/2001
240-467Washington Zone 44/25/2013
240-468Washington Zone 311/16/2007
240-469Hagerstown2/14/2008
240-470Laurel10/4/2011
240-471Washington Zone 12
240-472Washington Zone 3
240-473Washington Zone 13
240-474Gaithersburg5/22/2015
240-475Washington Zone 3
240-476Washington Zone 32/21/2001
240-477Gaithersburg5/20/2005
240-478Washington Zone 37/27/2004
240-479Washington Zone 24/7/2008
240-480Washington Zone 29/27/2010
240-481Washington Zone 35/11/2001
240-482Washington Zone 2
240-483Washington Zone 2
240-484Laurel6/12/2017
240-485Washington Zone 3
240-486Washington Zone 143/12/2001
240-487Washington Zone 4
240-488Oakland5/16/2012
240-489Poolesville2/13/2001
240-490Middletown6/12/2001
240-491Washington Zone 3
240-492Washington Zone 5
240-493Washington Zone 6
240-494Washington Zone 35/9/2001
240-495Washington Zone 410/29/2013
240-496Leonardtown3/17/2016
240-497Washington Zone 2
240-498Washington Zone 2
240-499Washington Zone 10
240-500Hagerstown10/21/2010
240-501Washington Zone 310/8/2001
240-502Washington Zone 310/4/2011
240-503Tompkinsville4/9/2013
240-504Washington Zone 310/4/2011
240-505Washington Zone 310/31/2001
240-506Washington Zone 101/9/2002
240-507Washington Zone 29/5/2008
240-508Washington Zone 5
240-509Washington Zone 143/31/2008
240-510Washington Zone 15
240-512Washington Zone 138/8/2006
240-513Hagerstown10/19/2011
240-514Washington Zone 11
240-515Washington Zone 26/20/2001
240-516Washington Zone 12
240-517Laurel10/28/2014
240-518Waldorf10/21/2011
240-519Washington Zone 211/10/2011
240-520Hagerstown3/29/2006
240-521Laurel1/11/2018
240-522Cumberland12/12/2001
240-523La Plata2/13/2001
240-524Laurel
240-525Washington Zone 15
240-526Leonardtown
240-527Hagerstown
240-528Hughesville
240-529Frederick
240-530Waldorf8/1/2013
240-531Washington Zone 33/7/2017
240-532Washington Zone 510/29/2013
240-533Washington Zone 3
240-534Washington Zone 24/11/2016
240-535Washington Zone 31/9/2001
240-536Ashton
240-537Hagerstown9/15/2017
240-538Leonardtown2/13/2001
240-539Washington Zone 4
240-540Washington Zone 1310/5/2016
240-541Washington Zone 210/31/2011
240-542Washington Zone 13
240-543Washington Zone 27/25/2006
240-544Washington Zone 14
240-545Washington Zone 15
240-546Washington Zone 16
240-547Laurel
240-548Washington Zone 14
240-549Frederick3/17/2016
240-550Washington Zone 103/26/2009
240-551Washington Zone 103/25/2009
240-552Washington Zone 103/25/2009
240-553Washington Zone 13
240-554Laurel
240-556Washington Zone 14
240-557Washington Zone 63/14/2017
240-558Washington Zone 11
240-559Ashton
240-560Washington Zone 124/23/2001
240-561Leonardtown7/7/2008
240-562Gaithersburg6/12/2015
240-563Washington Zone 57/5/2017
240-564Laurel12/21/2018
240-565Laurel12/30/2005
240-566Frederick6/11/2002
240-567Washington Zone 107/12/2006
240-568Laurel
240-569Flintstone9/22/2017
240-570Ashton2/24/2016
240-571Laurel1/14/2021
240-572Leonardtown11/15/2017
240-573Washington Zone 15
240-574Friendsville8/27/2020
240-575Frederick12/30/2005
240-576Hagerstown12/20/2017
240-577Leonardtown8/9/2006
240-578Frederick7/8/2011
240-579Ashton1/11/2018
240-580Cumberland6/14/2001
240-581Laurel
240-582Washington Zone 4
240-583Laurel4/28/2010
240-584Laurel1/11/2018
240-585Waldorf6/29/2011
240-586Frederick12/22/2006
240-587Leonardtown7/6/2009
240-588Grantsville2/1/2018
240-589McCool3/7/2018
240-590Washington Zone 124/9/2018
240-591Hagerstown4/17/2018
240-592Washington Zone 137/1/2016
240-593Laurel3/13/2001
240-594Bittinger5/15/2018
240-595Washington Zone 39/13/2006
240-596Ashton6/11/2018
240-597Gaithersburg
240-598Hughesville6/11/2018
240-599Washington Zone 10
240-600Washington Zone 24/27/2011
240-601Washington Zone 3
240-602Washington Zone 3
240-603Washington Zone 3
240-604Washington Zone 3
240-605Washington Zone 3
240-606Washington Zone 3
240-607Waldorf
240-608Frederick3/11/2013
240-609Cumberland9/11/2014
240-610Washington Zone 46/11/2018
240-612Washington Zone 5
240-613Washington Zone 44/5/2012
240-614Washington Zone 107/16/2013
240-615Washington Zone 45/29/2013
240-616Washington Zone 13
240-617Highfield7/16/2015
240-618Washington Zone 1010/7/2014
240-619Washington Zone 5
240-620Washington Zone 10
240-621Washington Zone 11
240-622La Plata6/11/2018
240-623Washington Zone 412/8/2014
240-624Washington Zone 13
240-625Hagerstown4/17/2001
240-626Frederick
240-627Washington Zone 11
240-628Mechanicsville6/11/2018
240-629Frederick
240-630Washington Zone 210/31/2011
240-631Gaithersburg
240-632Gaithersburg
240-633Hughesville5/22/2015
240-634Ridge6/11/2018
240-635Tompkinsville6/11/2018
240-636Laurel
240-637Washington Zone 36/11/2018
240-638Washington Zone 3
240-639Laurel6/1/2018
240-640Waldorf3/24/2009
240-641Washington Zone 3
240-642Washington Zone 108/2/2018
240-643Washington Zone 35/16/2002
240-644Washington Zone 2
240-645Washington Zone 3
240-646Laurel
240-647Clear Spg6/11/2018
240-648Keedysville6/12/2018
240-649Smithsburg6/12/2018
240-650Washington Zone 311/17/2011
240-651Frederick
240-652Mechanicsville2/13/2001
240-653Laurel
240-654Gaithersburg5/19/2006
240-655Kitzmiller12/18/2017
240-656Frederick8/30/2019
240-657Frostburg1/6/2016
240-658Gaithersburg12/4/2018
240-659Ashton1/30/2019
240-660Washington Zone 103/31/2015
240-661Lexington Park-Great Mills5/21/2015
240-662Washington Zone 3
240-663Middletown1/30/2019
240-664Cumberland3/6/2019
240-665Washington Zone 101/9/2017
240-666Nanjemoy6/25/2015
240-667Washington Zone 4
240-668Damascus
240-669Washington Zone 11
240-670Washington Zone 33/6/2012
240-671Washington Zone 2
240-672Washington Zone 10
240-673Washington Zone 25/17/2019
240-674Frederick
240-675Myersville
240-676Washington Zone 3
240-677Washington Zone 55/20/2019
240-678Washington Zone 3
240-679Friendsville6/11/2018
240-680Frederick10/29/2018
240-681Brandywine10/30/2003
240-682Waldorf
240-683Gaithersburg
240-684Washington Zone 13
240-685Brandywine
240-686Gaithersburg
240-687Washington Zone 3
240-688Washington Zone 36/12/2006
240-689Washington Zone 155/28/2019
240-690Gaithersburg11/10/2016
240-691Washington Zone 5
240-692Grantsville5/30/2019
240-693Walkersville9/25/2019
240-694Washington Zone 2
240-695Washington Zone 5
240-696Washington Zone 4
240-697Mechanicsville9/12/2019
240-698Myersville10/15/2019
240-699Buckeystown5/22/2001
240-701Washington Zone 33/25/2009
240-702Gaithersburg10/7/2014
240-703Ashton2/10/2021
240-704Washington Zone 33/25/2009
240-705Washington Zone 33/25/2009
240-706Washington Zone 33/26/2009
240-707Hagerstown1/27/2012
240-708Laurel6/8/2012
240-709Laurel10/25/2019
240-710Frederick12/30/2019
240-712Laurel11/1/2011
240-713Laurel11/2/2011
240-714Washington Zone 42/20/2015
240-715Washington Zone 10
240-716Washington Zone 511/15/2013
240-717Leonardtown4/22/2021
240-718Lexington Park-Great Mills2/13/2001
240-719Washington Zone 54/11/2016
240-720Gaithersburg
240-721Washington Zone 53/19/2020
240-722Ashton
240-723Washington Zone 3
240-724Washington Zone 6
240-725Lexington Park-Great Mills
240-726Washington Zone 49/1/2020
240-727Cumberland
240-728Washington Zone 105/12/2020
240-729Ashton6/16/2020
240-730Hagerstown8/12/2020
240-731Washington Zone 10
240-732Mount Airy11/12/2015
240-733Ashton7/15/2020
240-734Smithsburg3/22/2012
240-735Brunswick9/1/2020
240-736Laurel9/2/2020
240-737Washington Zone 45/9/2001
240-738Hancock9/3/2020
240-739Frederick9/15/2020
240-740Washington Zone 109/3/2015
240-741Frederick10/1/2020
240-742Washington Zone 1411/20/2020
240-743Washington Zone 211/16/2006
240-744Washington Zone 2
240-745Damascus
240-746Brandywine12/4/2020
240-747Washington Zone 115/9/2001
240-748Washington Zone 312/23/2020
240-749Laurel1/12/2021
240-750Gaithersburg5/6/2005
240-751Gaithersburg
240-752Washington Zone 2
240-753Washington Zone 10
240-754Waldorf11/11/2011
240-755Laurel1/5/2006
240-756Washington Zone 102/10/2021
240-757Washington Zone 13
240-758Laurel3/3/2016
240-759Washington Zone 153/25/2021
240-760Washington Zone 29/22/2015
240-761Laurel7/20/2021
240-762Washington Zone 28/22/2012
240-763Washington Zone 1510/1/2015
240-764Washington Zone 4
240-765Washington Zone 5
240-766Washington Zone 6
240-767Washington Zone 55/9/2001
240-768Nanjemoy4/22/2021
240-769Keedysville7/20/2021
240-770Washington Zone 411/22/2004
240-771Poolesville2/18/2016
240-772Frederick11/17/2011
240-773Washington Zone 10
240-774Lonaconing10/5/2015
240-775Westernport10/5/2015
240-776La Plata
240-777Washington Zone 10
240-778Washington Zone 10
240-779Ashton
240-780Gaithersburg
240-781Washington Zone 28/18/2015
240-782Damascus
240-783Washington Zone 2
240-784Myersville6/6/2001
240-785Oakland7/20/2021
240-786Laurel
240-787Brandywine
240-788Washington Zone 5
240-789Washington Zone 108/10/2021
240-790Washington Zone 13
240-791Washington Zone 48/11/2021
240-792Frederick8/11/2021
240-793Gaithersburg3/15/2001
240-794Lexington Park-Great Mills
240-795Washington Zone 58/12/2021
240-796Washington Zone 108/25/2021
240-797Ashton8/25/2021
240-798Gaithersburg9/1/2021
240-799Brandywine6/26/2020
240-800Washington Zone 26/22/2012
240-801Gaithersburg10/4/2013
240-802Washington Zone 25/10/2013
240-803Cumberland1/27/2012
240-804Tompkinsville4/23/2001
240-805Gaithersburg11/17/2015
240-806Indian Head9/30/2015
240-807Cumberland9/1/2021
240-808Leonardtown3/31/2015
240-809Smithsburg9/1/2021
240-810Washington Zone 104/5/2016
240-812Poolesville
240-813Gaithersburg
240-815Frederick11/17/2015
240-816Keedysville10/5/2015
240-817Ashton1/12/2016
240-818Myersville
240-819Williamsport9/1/2021
240-820Ashton3/25/2021
240-821Washington Zone 35/27/2005
240-822New Market3/15/2021
240-823Brandywine2/13/2001
240-824Frostburg3/15/2021
240-825Washington Zone 43/17/2016
240-826Washington Zone 105/7/2007
240-827Lonaconing9/1/2021
240-828Washington Zone 4
240-829Emmitsburg9/12/2019
240-830Washington Zone 511/10/2015
240-831Frederick4/26/2016
240-832Washington Zone 2
240-833Washington Zone 11
240-834Kitzmiller3/15/2021
240-835Clear Spg6/3/2021
240-836Mt Savage9/1/2021
240-837Hughesville2/13/2001
240-838Washington Zone 53/12/2001
240-839Washington Zone 31/13/2007
240-840Frederick6/19/2018
240-841Laurel
240-842Washington Zone 14
240-843Washington Zone 13
240-844Ridge2/13/2001
240-845Washington Zone 13
240-846Washington Zone 16
240-847Washington Zone 312/9/2015
240-848Gaithersburg
240-849Hagerstown9/8/2021
240-850Hagerstown5/25/2016
240-851Mccool7/16/2020
240-852Myersville9/13/2021
240-853Laurel9/28/2021
240-855Washington Zone 210/9/2006
240-856Laurel4/11/2016
240-857Washington Zone 5
240-858Washington Zone 27/12/2016
240-859Ashton7/11/2016
240-860Cumberland8/23/2016
240-861Ashton10/7/2021
240-862Mt Savage9/2/2016
240-863Washington Zone 3
240-864Washington Zone 105/9/2001
240-865Washington Zone 14
240-866Hagerstown9/20/2019
240-867Washington Zone 36/20/2017
240-868Washington Zone 125/9/2001
240-869Washington Zone 1010/7/2021
240-870Middletown9/2/2016
240-871Lexington Park-Great Mills10/7/2021
240-872Washington Zone 610/7/2021
240-873Buckeystown10/10/2019
240-874Thurmont10/10/2019
240-875Mount Airy10/10/2019
240-876Washington Zone 2
240-877Frederick8/25/2016
240-878Hagerstown8/3/2017
240-879Washington Zone 410/7/2021
240-880Washington Zone 11
240-881Washington Zone 1311/4/2021
240-882Washington Zone 5
240-883Ashton
240-884Tompkinsville4/29/2021
240-885Washington Zone 101/21/2021
240-888Washington Zone 10
240-892Washington Zone 15
240-893Washington Zone 3
240-895Lexington Park-Great Mills
240-897Washington Zone 16
240-898Washington Zone 4
240-899Washington Zone 23/13/2001
240-900Washington Zone 42/18/2015
240-901La Plata5/22/2014
240-903Indian Head12/3/2013
240-904Laurel6/23/2016
240-906Washington Zone 4
240-907Washington Zone 107/12/2016
240-908Walkersville9/2/2016
240-910Frederick3/3/2021
240-912Gaithersburg
240-913Damascus9/2/2016
240-915New Market
240-917Laurel11/12/2015
240-918Ashton10/20/2016
240-920Cumberland5/3/2001
240-922Washington Zone 117/15/2020
240-925Leonardtown8/9/2001
240-929Washington Zone 14
240-934Middletown2/12/2021
240-938Ashton6/6/2001
240-942Bittinger3/15/2021
240-944Westernport3/15/2021
240-945Washington Zone 311/6/2020
240-946Washington Zone 1410/25/2021
240-949Washington Zone 165/9/2001
240-956Washington Zone 211/6/2020
240-964Cumberland5/27/2008
240-965Washington Zone 13
240-970Washington Zone 126/2/2015
240-971Frederick8/2/2016
240-972Laurel5/26/2015
240-976Damascus
240-979Cumberland
240-985Williamsport10/17/2016
240-986Nanjemoy2/13/2001
240-988Washington Zone 3
240-993Indian Head2/13/2001
240-994Washington Zone 10
240-995Flintstone5/8/2020
240-996Brunswick10/17/2016
240-997Washington Zone 3
240-998Hancock10/17/2016
  1. Numbering Plan Areas (area codes) are NPAs, and central office codes are NXXs.
  2. The rate center is listed under ‘Area served’. A rate center is a geographical area used to identify local calling boundaries within the North American Numbering Plan . NPA-NXX combinations in most cases serve more than one locality by a single name.
  3. Date of assignment. Exchange codes assigned before 2001 are not listed.

List of Cities in Area Code 240

Looking to find out what cities are in your area code 240? 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 240 area code with the corresponding phone number. We hope you find this information helpful!

CityCountyTime
AbellSt MarysE
AccidentGarrettE
AccokeekPrince George’sE
AdamstownFrederickE
Andrews AfbPrince George’sE
AquascoPrince George’sE
AshtonMontgomeryE
AvenueSt MarysE
BarnesvilleMontgomeryE
BartonAlleganyE
BeallsvilleMontgomeryE
Bel AltonCharlesE
BeltsvillePrince George’sE
BenedictCharlesE
BethesdaMontgomeryE
Big PoolWashingtonE
BittingerGarrettE
BladensburgPrince George’sE
BloomingtonGarrettE
BoonsboroWashingtonE
BowiePrince George’sE
BoydsMontgomeryE
Braddock HeightsFrederickE
BrandywinePrince George’sE
BrentwoodPrince George’sE
BrinklowMontgomeryE
BrookevilleMontgomeryE
BrownsvilleWashingtonE
BrunswickFrederickE
Bryans RoadCharlesE
BryantownCharlesE
BuckeystownFrederickE
BurkittsvilleFrederickE
BurtonsvilleMontgomeryE
BushwoodSt MarysE
Cabin JohnMontgomeryE
CaliforniaSt MarysE
CallawaySt MarysE
Capitol HeightsPrince George’sE
CascadeWashingtonE
CavetownWashingtonE
ChapticoSt MarysE
Charlotte HallSt MarysE
CheltenhamPrince George’sE
Chevy ChaseMontgomeryE
ChewsvilleWashingtonE
ClarksburgMontgomeryE
Clear SpringWashingtonE
ClementsSt MarysE
ClintonPrince George’sE
Cobb IslandCharlesE
College ParkPrince George’sE
Coltons PointSt MarysE
ComptonSt MarysE
CorriganvilleAlleganyE
CumberlandAlleganyE
DamascusMontgomeryE
DameronSt MarysE
DerwoodMontgomeryE
DickersonMontgomeryE
District HeightsPrince George’sE
DraydenSt MarysE
Eckhart MinesAlleganyE
EllerslieAlleganyE
EmmitsburgFrederickE
FairplayWashingtonE
FaulknerCharlesE
FlintstoneAlleganyE
Fort WashingtonPrince George’sE
FrederickFrederickE
FriendshipAnne ArundelE
FriendsvilleGarrettE
FrostburgAlleganyE
FunkstownWashingtonE
GaithersburgMontgomeryE
Garrett ParkMontgomeryE
GermantownMontgomeryE
Glen EchoMontgomeryE
Glenn DalePrince George’sE
GrantsvilleGarrettE
Great MillsSt MarysE
GreenbeltPrince George’sE
HagerstownWashingtonE
HancockWashingtonE
HelenSt MarysE
HighlandHowardE
HollywoodSt MarysE
HughesvilleCharlesE
HyattsvillePrince George’sE
IjamsvilleFrederickE
Indian HeadCharlesE
IronsidesCharlesE
IssueCharlesE
JeffersonFrederickE
KeedysvilleWashingtonE
KensingtonMontgomeryE
KitzmillerGarrettE
KnoxvilleFrederickE
La PlataCharlesE
LadiesburgFrederickE
LanhamPrince George’sE
LaurelAnne ArundelE
LeonardtownSt MarysE
Lexington ParkSt MarysE
LibertytownFrederickE
Little OrleansAlleganyE
LonaconingAlleganyE
LovevilleSt MarysE
LukeAlleganyE
MarburyCharlesE
MaugansvilleWashingtonE
Mc HenryGarrettE
MechanicsvilleSt MarysE
MiddletownFrederickE
MidlandAlleganyE
MidlothianAlleganyE
MonroviaFrederickE
Montgomery VillageMontgomeryE
MorganzaSt MarysE
Mount AiryFrederickE
Mount RainierPrince George’sE
Mount SavageAlleganyE
Mount VictoriaCharlesE
MyersvilleFrederickE
NanjemoyCharlesE
New MarketFrederickE
New MidwayFrederickE
NewburgCharlesE
OaklandGarrettE
OldtownAlleganyE
OlneyMontgomeryE
OwingsCalvertE
Oxon HillPrince George’sE
Park HallSt MarysE
Patuxent RiverSt MarysE
Piney PointSt MarysE
PintoAlleganyE
Point Of RocksFrederickE
PomfretCharlesE
PoolesvilleMontgomeryE
Port TobaccoCharlesE
PotomacMontgomeryE
RawlingsAlleganyE
RidgeSt MarysE
RiverdalePrince George’sE
Rock PointCharlesE
RockvilleMontgomeryE
Rocky RidgeFrederickE
RohrersvilleWashingtonE
SabillasvilleFrederickE
Sandy SpringMontgomeryE
ScotlandSt MarysE
SharpsburgWashingtonE
Silver SpringMontgomeryE
SmithsburgWashingtonE
Southern MD FacilityPrince George’sE
SpencervilleMontgomeryE
Spring GapAlleganyE
St InigoesSt MarysE
St JamesWashingtonE
St Marys CitySt MarysE
Suburb Maryland FacMontgomeryE
SuitlandPrince George’sE
SwantonGarrettE
Takoma ParkMontgomeryE
Tall TimbersSt MarysE
Temple HillsPrince George’sE
ThurmontFrederickE
TuscaroraFrederickE
UnionvilleFrederickE
Upper MarlboroPrince George’sE
Valley LeeSt MarysE
WaldorfCharlesE
WalkersvilleFrederickE
Washington GroveMontgomeryE
WelcomeCharlesE
WesternportAlleganyE
White PlainsCharlesE
WilliamsportWashingtonE
WoodsboroFrederickE
  1. Area code 240 serves most, but not all, of the following places. We list only the largest place when there are two or more places with the same name in the same state. Cities with more than 50,000 residents appear in bold.
  2. Currently, it is 12:52:06 PM Eastern Time.

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