443 Area Code

Area Code 443 Map

Area code 443 generally covers Baltimore, and Annapolis in the U.S. State of Maryland.

Top cities in area code 443

City Prefixes
Baltimore, MD34.5%
Annapolis, MD5.1%
Columbia, MD3.9%
Halethorpe, MD3.8%
Towson, MD3.2%
Bel Air, MD2.5%
Salisbury, MD2.5%
Westminster, MD2.3%
Catonsville, MD2.3%
Severna Park, MD1.6%

Top telephone carriers in area code 443

Carrier Prefixes
Verizon21.9%
Sprint Spectrum10.3%
New Cingular Wireless8.7%
Cavalier Telephone Mid-atlantic7.3%
XO Communications7.1%
Global Crossing Local Services5.7%
Level 3 Communications5.6%
Teleport Communications America5.2%
Omnipoint Communications Cap Operations4.7%
Ctc Communications3.8%

Area code 443 has 770 prefixes

Prefix Primary City Usage
443-200BaltimoreLandline
443-201WestminsterWireless
443-202BaltimoreWireless
443-203West RiverLandline
443-204PikesvilleWireless
443-205CambridgeWireless
443-206PerryvilleWireless
443-207ElktonWireless
443-208EssexLandline
443-209Havre De GraceLandline
443-210Havre De GraceLandline
443-212Sparks GlencoeLandline
443-213BaltimoreLandline
443-214AnnapolisLandline
443-215ChestertownLandline
443-216DundalkLandline
443-217AnnapolisLandline
443-218ReisterstownLandline
443-219BaltimoreLandline
443-220BaltimoreLandline
443-221AnnapolisLandline
443-222ReisterstownLandline
443-223AnnapolisWireless
443-224BaltimoreLandline
443-225CambridgeLandline
443-226HalethorpeWireless
443-227Port DepositLandline
443-228White MarshLandline
443-229Severna ParkLandline
443-230OdentonLandline
443-231BaltimoreLandline
443-233RhodesdaleLandline
443-234Snow HillLandline
443-235SalisburyWireless
443-236WhitefordLandline
443-237North BeachLandline
443-238ParktonLandline
443-239EastonWireless
443-240BaltimoreWireless
443-241WestminsterLandline
443-242Sparrows PointLandline
443-243FallstonWireless
443-244WestminsterLandline
443-245ElktonLandline
443-246ElktonLandline
443-247Union BridgeLandline
443-248CatonsvilleWireless
443-249StevensvilleLandline
443-250BaltimoreWireless
443-251ChestertownWireless
443-252PerryvilleWireless
443-253BaltimoreWireless
443-254AnnapolisWireless
443-255BaltimoreWireless
443-256PerryvilleLandline
443-257BaltimoreWireless
443-258EastonWireless
443-259ColumbiaLandline
443-260SalisburyLandline
443-261Severna ParkLandline
443-262CentrevilleLandline
443-263BaltimoreLandline
443-265ForkLandline
443-266GlenwoodLandline
443-267DarlingtonLandline
443-268BaltimoreLandline
443-270BaltimoreLandline
443-271BaltimoreWireless
443-272BaltimoreLandline
443-273ReisterstownLandline
443-274SevernLandline
443-275BaltimoreLandline
443-276BaltimoreLandline
443-277SykesvilleWireless
443-278BaltimoreLandline
443-279BaltimoreLandline
443-280SykesvilleWireless
443-281BaltimoreLandline
443-282ChestertownWireless
443-283BaltimoreLandline
443-284SavageLandline
443-285ColumbiaLandline
443-286BaltimoreWireless
443-287BaltimoreLandline
443-288BaltimoreLandline
443-289WestminsterLandline
443-290ParkvilleLandline
443-291HampsteadLandline
443-292LaurelLandline
443-293WestminsterLandline
443-294West RiverLandline
443-295Prince FrederickLandline
443-296BaltimoreLandline
443-297HalethorpeLandline
443-298EastonWireless
443-299FallstonLandline
443-300SykesvilleLandline
443-301BaltimoreWireless
443-302CroftonLandline
443-303AberdeenLandline
443-304BaltimoreLandline
443-305BaltimoreLandline
443-306HalethorpeWireless
443-307Bel AirLandline
443-308BaltimoreLandline
443-309ElktonWireless
443-310BaltimoreWireless
443-312BaltimoreLandline
443-313ForkLandline
443-314BaltimoreWireless
443-315BaltimoreLandline
443-316BaltimoreLandline
443-317BaltimoreLandline
443-318Hunt ValleyLandline
443-319ColumbiaLandline
443-320BaltimoreLandline
443-321AnnapolisLandline
443-322TowsonLandline
443-323RhodesdaleLandline
443-324BaltimoreWireless
443-325Ellicott CityLandline
443-326BaltimoreWireless
443-327AberdeenLandline
443-328SykesvilleLandline
443-329JessupLandline
443-330BaltimoreLandline
443-331TaneytownLandline
443-332CroftonLandline
443-333AnnapolisWireless
443-334TowsonLandline
443-335Linthicum HeightsLandline
443-336AnnapolisWireless
443-338Sparks GlencoeLandline
443-339AnnapolisLandline
443-340WestminsterWireless
443-341BaltimoreLandline
443-342SolomonsLandline
443-343MillersvilleLandline
443-344Severna ParkLandline
443-345AberdeenLandline
443-347WhitefordLandline
443-348BaltimoreLandline
443-349WestminsterLandline
443-350ElktonWireless
443-351ColumbiaLandline
443-352BaltimoreLandline
443-353Hunt ValleyLandline
443-354BaltimoreLandline
443-355BaltimoreLandline
443-356Bel AirLandline
443-357PikesvilleLandline
443-358SalisburyLandline
443-359DelmarWireless
443-360AberdeenLandline
443-361SykesvilleLandline
443-362EastonWireless
443-363SevernLandline
443-364BaltimoreLandline
443-365SalisburyWireless
443-366SalisburyWireless
443-367ColumbiaLandline
443-368WestminsterLandline
443-369Bel AirLandline
443-370AnnapolisLandline
443-371Bel AirLandline
443-372EdgewoodLandline
443-373Ocean CityWireless
443-374AberdeenLandline
443-375HampsteadWireless
443-376BaltimoreLandline
443-377TowsonWireless
443-378BaltimoreWireless
443-379PikesvilleLandline
443-380BaltimoreLandline
443-382CambridgeLandline
443-383WestminsterLandline
443-384ParkvilleLandline
443-385EastonLandline
443-386BaltimoreWireless
443-387Pocomoke CityLandline
443-388BaltimoreWireless
443-389SalisburyLandline
443-390ChurchvilleLandline
443-391BaltimoreLandline
443-392BaltimoreLandline
443-393BaltimoreLandline
443-394PikesvilleLandline
443-395AberdeenLandline
443-396OdentonLandline
443-397SalisburyWireless
443-398SykesvilleWireless
443-399BaltimoreLandline
443-400BaltimoreLandline
443-401BaltimoreWireless
443-402EdgewoodLandline
443-403Havre De GraceLandline
443-404SolomonsWireless
443-405BaltimoreLandline
443-406ElktonLandline
443-407BaltimoreLandline
443-408BaltimoreLandline
443-409EdgewoodLandline
443-410BaltimoreLandline
443-412ChurchvilleLandline
443-413HalethorpeWireless
443-414HalethorpeWireless
443-415HalethorpeWireless
443-416HalethorpeWireless
443-417FallstonLandline
443-418HalethorpeWireless
443-419GlenwoodLandline
443-420BaltimoreLandline
443-421ForkWireless
443-422Glen BurnieWireless
443-423BaltimoreLandline
443-424WhitefordLandline
443-425BaltimoreLandline
443-426BaltimoreLandline
443-427Princess AnneLandline
443-428Hunt ValleyLandline
443-429Gwynn OakLandline
443-430BaltimoreLandline
443-432Prince FrederickLandline
443-433AnnapolisLandline
443-435BaltimoreWireless
443-436Gwynn OakLandline
443-437Pocomoke CityLandline
443-438BaltimoreWireless
443-439TrappeLandline
443-440AnnapolisLandline
443-441GlenwoodLandline
443-442ParkvilleLandline
443-444BaltimoreLandline
443-445ElkridgeLandline
443-446QueenstownLandline
443-447BaltimoreWireless
443-448DentonLandline
443-449BaltimoreLandline
443-450BaltimoreLandline
443-451BaltimoreLandline
443-452BaltimoreLandline
443-453BaltimoreLandline
443-454AnnapolisWireless
443-455BaltimoreLandline
443-456EdgewoodLandline
443-457BaltimoreLandline
443-458AnnapolisLandline
443-459BaltimoreLandline
443-460BaltimoreLandline
443-461ParkvilleLandline
443-462BaltimoreWireless
443-463BaltimoreWireless
443-464ChurchvilleLandline
443-465TowsonWireless
443-466ElktonWireless
443-467BaltimoreWireless
443-468BaltimoreWireless
443-469BaltimoreWireless
443-470TowsonLandline
443-471ColumbiaLandline
443-472BaltimoreLandline
443-473BaltimoreWireless
443-474CatonsvilleWireless
443-475BaltimoreLandline
443-476AnnapolisWireless
443-477CambridgeWireless
443-478BaltimoreWireless
443-479LaurelLandline
443-480ChestertownWireless
443-481AnnapolisLandline
443-482AnnapolisLandline
443-483WhitefordLandline
443-484EdgewoodLandline
443-485North EastLandline
443-486Prince FrederickLandline
443-487WestminsterLandline
443-488BaltimoreWireless
443-489BaltimoreLandline
443-490EdgewoodLandline
443-491ParktonLandline
443-492BaltimoreLandline
443-493DelmarWireless
443-494MillersvilleLandline
443-495BaltimoreLandline
443-496EastonWireless
443-497SalisburyWireless
443-498BaltimoreLandline
443-499JarrettsvilleLandline
443-500BaltimoreWireless
443-501BaltimoreLandline
443-502Havre De GraceLandline
443-503BaltimoreLandline
443-504FallstonLandline
443-505BaltimoreLandline
443-506BaltimoreWireless
443-507HampsteadLandline
443-508HampsteadLandline
443-509BaltimoreWireless
443-510AnnapolisWireless
443-512EdgewoodLandline
443-513BerlinWireless
443-514ColumbiaLandline
443-515CambridgeWireless
443-516SykesvilleLandline
443-517BaltimoreLandline
443-518ColumbiaLandline
443-519BaltimoreLandline
443-520CatonsvilleWireless
443-521CambridgeWireless
443-522ReisterstownLandline
443-523SalisburyLandline
443-524BaltimoreLandline
443-525BaltimoreWireless
443-526Havre De GraceLandline
443-527BaltimoreWireless
443-528Bel AirWireless
443-529BaltimoreWireless
443-530BaltimoreLandline
443-531BaltimoreWireless
443-532Prince FrederickWireless
443-533JarrettsvilleLandline
443-534AnnapolisLandline
443-535ColumbiaLandline
443-536WestminsterWireless
443-537ColumbiaLandline
443-538ColumbiaWireless
443-539ColumbiaLandline
443-540BaltimoreWireless
443-541BaltimoreLandline
443-542ColumbiaLandline
443-543HalethorpeLandline
443-544PikesvilleLandline
443-545ColumbiaLandline
443-546BaltimoreLandline
443-547WestminsterWireless
443-548BaltimoreLandline
443-549DundalkLandline
443-550North BeachLandline
443-551BaltimoreLandline
443-552BaltimoreLandline
443-553ElktonWireless
443-554White MarshWireless
443-556Hunt ValleyLandline
443-557BaltimoreLandline
443-558AberdeenLandline
443-559EssexLandline
443-560BaltimoreWireless
443-561ColumbiaLandline
443-562BaltimoreWireless
443-563BaltimoreWireless
443-564BaltimoreLandline
443-565RandallstownLandline
443-566Chesapeake CityWireless
443-567Bel AirLandline
443-568HalethorpeLandline
443-569AnnapolisLandline
443-570BaltimoreWireless
443-571BaltimoreWireless
443-572Linthicum HeightsLandline
443-573ColumbiaLandline
443-574Ellicott CityLandline
443-575HalethorpeLandline
443-576BaltimoreLandline
443-577ColumbiaLandline
443-578BaltimoreLandline
443-579EssexLandline
443-580BaltimoreWireless
443-581White MarshLandline
443-582ChurchvilleLandline
443-583ColumbiaLandline
443-584CroftonLandline
443-585DarlingtonLandline
443-586DundalkLandline
443-587EdgewoodLandline
443-588BaltimoreLandline
443-589Hunt ValleyLandline
443-590ReisterstownLandline
443-591Glen BurnieWireless
443-593ElktonLandline
443-594BaltimoreLandline
443-595Sparks GlencoeLandline
443-596EssexLandline
443-597Severna ParkLandline
443-598AnnapolisLandline
443-599BaltimoreLandline
443-600EssexWireless
443-601FallstonLandline
443-602CatonsvilleWireless
443-603AnnapolisLandline
443-604BaltimoreWireless
443-605WestminsterLandline
443-606ForkLandline
443-607West RiverLandline
443-608TowsonWireless
443-609SykesvilleLandline
443-610BaltimoreWireless
443-612CatonsvilleLandline
443-613TowsonWireless
443-614SalisburyWireless
443-615CatonsvilleWireless
443-616Bel AirLandline
443-617FallstonWireless
443-618Linthicum HeightsWireless
443-619Bel AirWireless
443-620BaltimoreLandline
443-621HalethorpeWireless
443-622HalethorpeWireless
443-623Linthicum HeightsWireless
443-624Prince FrederickWireless
443-625ForkLandline
443-626White MarshLandline
443-629HalethorpeWireless
443-630BaltimoreWireless
443-631CatonsvilleWireless
443-632TowsonLandline
443-633BaltimoreWireless
443-634OdentonLandline
443-635BaltimoreWireless
443-636CatonsvilleLandline
443-637BaltimoreLandline
443-638Ellicott CityLandline
443-639HampsteadLandline
443-640Bel AirLandline
443-641PikesvilleLandline
443-642BaltimoreWireless
443-643Bel AirLandline
443-644JarrettsvilleLandline
443-645MillersvilleLandline
443-646North BeachLandline
443-647New WindsorLandline
443-648BaltimoreLandline
443-649Sparrows PointLandline
443-650ReisterstownLandline
443-651BaltimoreWireless
443-652TowsonLandline
443-653BaltimoreWireless
443-654JessupLandline
443-655Bel AirWireless
443-656ColumbiaLandline
443-657RandallstownLandline
443-658Gwynn OakLandline
443-659West RiverLandline
443-660BaltimoreLandline
443-661SavageLandline
443-662Sparks GlencoeLandline
443-663Gwynn OakLandline
443-664Ocean CityLandline
443-666ChestertownWireless
443-668CatonsvilleWireless
443-669DelmarLandline
443-670CatonsvilleLandline
443-671New WindsorLandline
443-672ParktonLandline
443-673Linthicum HeightsLandline
443-674PerryvilleLandline
443-675RandallstownLandline
443-676BaltimoreWireless
443-677BaltimoreWireless
443-678ParkvilleLandline
443-679BaltimoreLandline
443-680BaltimoreWireless
443-681BaltimoreWireless
443-682BaltimoreLandline
443-683BaltimoreWireless
443-684Prince FrederickWireless
443-685SevernLandline
443-686FallstonWireless
443-687BaltimoreWireless
443-688SevernLandline
443-689Hunt ValleyLandline
443-690BaltimoreWireless
443-691BaltimoreWireless
443-692BaltimoreLandline
443-693PerryvilleLandline
443-694Severna ParkWireless
443-695BaltimoreWireless
443-696DundalkLandline
443-697CatonsvilleLandline
443-698OdentonLandline
443-699AnnapolisWireless
443-701HalethorpeLandline
443-702Severna ParkLandline
443-703BaltimoreLandline
443-704OdentonLandline
443-705Hunt ValleyLandline
443-706CrisfieldLandline
443-707Havre De GraceLandline
443-708BaltimoreLandline
443-709HalethorpeLandline
443-710BaltimoreLandline
443-712ReisterstownLandline
443-713ColumbiaWireless
443-714ColumbiaLandline
443-715PerryvilleLandline
443-716AnnapolisLandline
443-717BaltimoreWireless
443-718ColumbiaLandline
443-719JarrettsvilleLandline
443-720North EastLandline
443-721BaltimoreWireless
443-722BaltimoreWireless
443-723Linthicum HeightsLandline
443-724EastonLandline
443-725BaltimoreLandline
443-726TowsonLandline
443-727BishopvilleLandline
443-728BerlinLandline
443-729BaltimoreLandline
443-730BaltimoreLandline
443-731Port DepositLandline
443-732WestminsterLandline
443-733BaltimoreLandline
443-734SevernLandline
443-735SalisburyWireless
443-736SalisburyWireless
443-737BaltimoreLandline
443-738BaltimoreLandline
443-739BaltimoreWireless
443-740BaltimoreLandline
443-741ColumbiaLandline
443-742BaltimoreWireless
443-743BaltimoreWireless
443-744ReisterstownWireless
443-745ColumbiaWireless
443-746EastonLandline
443-747Port DepositLandline
443-748MillersvilleLandline
443-749BaltimoreLandline
443-750BaltimoreWireless
443-751Gwynn OakLandline
443-752Bel AirLandline
443-753JessupLandline
443-754SalisburyWireless
443-755ElkridgeLandline
443-756BaltimoreWireless
443-757ElkridgeLandline
443-758AnnapolisLandline
443-759BaltimoreWireless
443-760AberdeenLandline
443-761TowsonWireless
443-762HalethorpeWireless
443-763BaltimoreLandline
443-764Glen BurnieWireless
443-765CatonsvilleWireless
443-766ColumbiaLandline
443-767ReisterstownLandline
443-768HalethorpeWireless
443-769BaltimoreWireless
443-770Severna ParkLandline
443-771Prince FrederickWireless
443-772EssexLandline
443-773BaltimoreLandline
443-774BaltimoreLandline
443-775BaltimoreLandline
443-776BaltimoreLandline
443-777EssexLandline
443-778LaurelLandline
443-779AberdeenLandline
443-780ColumbiaLandline
443-781Severna ParkLandline
443-782AnnapolisLandline
443-783SalisburyWireless
443-784BaltimoreLandline
443-785HalethorpeLandline
443-786EastonWireless
443-787Bel AirLandline
443-788AberdeenLandline
443-789WestminsterWireless
443-790Linthicum HeightsWireless
443-791TowsonWireless
443-792Linthicum HeightsLandline
443-793BaltimoreLandline
443-794BaltimoreWireless
443-795BaltimoreLandline
443-796BaltimoreLandline
443-797BaltimoreLandline
443-798TowsonLandline
443-799BaltimoreWireless
443-800BaltimoreWireless
443-801HalethorpeWireless
443-802HalethorpeWireless
443-803HalethorpeWireless
443-804HalethorpeWireless
443-805Glen BurnieWireless
443-806BaltimoreWireless
443-807FallstonWireless
443-808AnnapolisLandline
443-809BaltimoreLandline
443-810BaltimoreWireless
443-812ColumbiaWireless
443-813BaltimoreWireless
443-814BaltimoreWireless
443-815BaltimoreLandline
443-816Severna ParkLandline
443-817BaltimoreLandline
443-818Severna ParkLandline
443-819Bel AirWireless
443-820BaltimoreLandline
443-821WestminsterWireless
443-822AnnapolisWireless
443-823TowsonWireless
443-824TowsonWireless
443-825BaltimoreWireless
443-826BaltimoreWireless
443-827BaltimoreWireless
443-828Ellicott CityLandline
443-829BaltimoreWireless
443-830CatonsvilleLandline
443-831BaltimoreWireless
443-832BaltimoreLandline
443-833HalethorpeLandline
443-835BaltimoreWireless
443-836BaltimoreLandline
443-837AnnapolisLandline
443-838BaltimoreWireless
443-839BaltimoreWireless
443-840CatonsvilleWireless
443-841BaltimoreLandline
443-842BaltimoreWireless
443-843Havre De GraceLandline
443-844BaltimoreWireless
443-845BaltimoreWireless
443-846TowsonLandline
443-847TowsonWireless
443-848HalethorpeLandline
443-849TowsonLandline
443-850BaltimoreWireless
443-851CatonsvilleWireless
443-852AnnapolisWireless
443-853BaltimoreWireless
443-854BaltimoreWireless
443-855Havre De GraceLandline
443-856Ocean CityLandline
443-857BaltimoreWireless
443-858BaltimoreWireless
443-859SalisburyWireless
443-860CatonsvilleWireless
443-861AberdeenLandline
443-862TowsonWireless
443-863BaltimoreWireless
443-864ColumbiaWireless
443-865BaltimoreWireless
443-866Bel AirWireless
443-867Linthicum HeightsLandline
443-868BaltimoreLandline
443-869BaltimoreWireless
443-870PikesvilleLandline
443-871AnnapolisWireless
443-872HalethorpeLandline
443-873PikesvilleLandline
443-874BaltimoreLandline
443-875AnnapolisLandline
443-876Bel AirLandline
443-877PerryvilleLandline
443-878HalethorpeLandline
443-879HalethorpeLandline
443-880SalisburyLandline
443-881ReisterstownWireless
443-882BaltimoreWireless
443-883BaltimoreLandline
443-884BaltimoreLandline
443-885BaltimoreLandline
443-886BaltimoreLandline
443-887HarmansLandline
443-888Princess AnneLandline
443-889Linthicum HeightsWireless
443-890BaltimoreWireless
443-891BaltimoreLandline
443-892New WindsorLandline
443-893BaltimoreLandline
443-894BaltimoreWireless
443-895TowsonWireless
443-896BaltimoreLandline
443-897BaltimoreWireless
443-898PikesvilleLandline
443-899HarmansLandline
443-900TowsonWireless
443-901TowsonLandline
443-902BaltimoreWireless
443-903Bel AirWireless
443-904BaltimoreWireless
443-905AnnapolisWireless
443-906Severna ParkLandline
443-907ElktonWireless
443-908BaltimoreWireless
443-909BaltimoreWireless
443-910Bel AirWireless
443-912TowsonLandline
443-913BaltimoreWireless
443-914ReisterstownLandline
443-915BaltimoreWireless
443-916BaltimoreWireless
443-917ColumbiaWireless
443-918TaneytownLandline
443-919BaltimoreLandline
443-920SykesvilleLandline
443-921BaltimoreLandline
443-922EdgewoodLandline
443-923BaltimoreLandline
443-924AnnapolisWireless
443-925BaltimoreWireless
443-926AnnapolisLandline
443-927BaltimoreLandline
443-928BaltimoreWireless
443-929PikesvilleWireless
443-930BaltimoreWireless
443-931BaltimoreLandline
443-932BaltimoreWireless
443-933Hunt ValleyLandline
443-934BaltimoreWireless
443-935TowsonWireless
443-936BaltimoreLandline
443-937Union BridgeLandline
443-938BaltimoreWireless
443-939BaltimoreWireless
443-940PikesvilleLandline
443-941North EastWireless
443-942Severna ParkLandline
443-943BaltimoreLandline
443-944SalisburyLandline
443-945ElktonWireless
443-947PerryvilleLandline
443-948BaltimoreWireless
443-949AnnapolisLandline
443-951AnnapolisLandline
443-952WestminsterWireless
443-953SalisburyWireless
443-954BaltimoreLandline
443-955BaltimoreWireless
443-956BaltimoreWireless
443-957BaltimoreLandline
443-960Glen BurnieWireless
443-961BaltimoreLandline
443-962Glen BurnieWireless
443-963BaltimoreWireless
443-964North BeachLandline
443-965BaltimoreWireless
443-966FallstonWireless
443-967PerryvilleLandline
443-968Prince FrederickWireless
443-969EssexLandline
443-970BaltimoreWireless
443-971TaneytownLandline
443-972CambridgeWireless
443-973HalethorpeLandline
443-974WestminsterLandline
443-975Prince FrederickWireless
443-976Anne Arundel
443-977BaltimoreWireless
443-978SalisburyWireless
443-979ColumbiaWireless
443-980CatonsvilleWireless
443-981FallstonWireless
443-982BaltimoreLandline
443-983BaltimoreWireless
443-984BaltimoreLandline
443-985RandallstownWireless
443-986BaltimoreWireless
443-987Bel AirLandline
443-988CentrevilleLandline
443-989Linthicum HeightsLandline
443-990BaltimoreLandline
443-991TowsonWireless
443-992BaltimoreLandline
443-993North EastWireless
443-994AnnapolisWireless
443-995AnnapolisWireless
443-996CatonsvilleWireless
443-997BaltimoreLandline
443-998ParkvilleLandline

Statistics for area code 443