203 Area Code

Area Code 203 Map

Area code 203 generally covers New Haven, Stamford, and Bridgeport in the U.S. State of Connecticut.

Top cities in area code 203

City Prefixes
New Haven, CT16.7%
Stamford, CT13.8%
Bridgeport, CT12.2%
Norwalk, CT7.5%
Waterbury, CT7%
New Fairfield, CT6.9%
Greenwich, CT4.1%
Shelton, CT3.1%
Meriden, CT3%
Fairfield, CT1.8%

Top telephone carriers in area code 203

Carrier Prefixes
Frontier Communications43.6%
Verizon9.6%
New Cingular Wireless6.5%
Sprint Spectrum5.6%
Mcimetro Access Transmission Services5.1%
Cablevision Lightpath4.9%
Teleport Communications America4.2%
Level 3 Communications3.1%
Global Crossing Local Services2.8%
Omnipoint Communications2.7%

Area code 203 has 779 prefixes

Prefix Primary City Usage
203-200New HavenLandline
203-201New HavenWireless
203-202DarienLandline
203-204GuilfordLandline
203-205New FairfieldLandline
203-206WaterburyWireless
203-207New FairfieldLandline
203-208BranfordLandline
203-209BridgeportLandline
203-210WiltonLandline
203-212BridgeportWireless
203-213MeridenWireless
203-214New HavenWireless
203-215New HavenWireless
203-216WestportWireless
203-217WaterburyWireless
203-218BridgeportWireless
203-219StamfordWireless
203-220TrumbullLandline
203-221WestportLandline
203-222WestportLandline
203-223StamfordWireless
203-224BridgeportLandline
203-225SheltonLandline
203-226WestportLandline
203-227WestportLandline
203-228WaterburyWireless
203-229NorwalkLandline
203-230HamdenLandline
203-231SheltonWireless
203-232WaterburyWireless
203-233WaterburyWireless
203-234HamdenLandline
203-235MeridenLandline
203-236WaterburyLandline
203-237MeridenLandline
203-238MeridenLandline
203-239HamdenLandline
203-240New FairfieldWireless
203-241New FairfieldWireless
203-242SheltonLandline
203-243BridgeportWireless
203-244RidgefieldLandline
203-245MadisonLandline
203-246NorwalkWireless
203-247NorwalkWireless
203-248HamdenLandline
203-249StamfordWireless
203-250CheshireLandline
203-251StamfordLandline
203-252StamfordLandline
203-253StamfordWireless
203-254FairfieldLandline
203-255FairfieldLandline
203-256FairfieldLandline
203-257BridgeportWireless
203-258BridgeportWireless
203-259FairfieldLandline
203-260BridgeportWireless
203-261TrumbullLandline
203-262SouthburyLandline
203-263WoodburyLandline
203-264SouthburyLandline
203-265WallingfordLandline
203-266WoodburyLandline
203-267SouthburyLandline
203-268TrumbullLandline
203-269WallingfordLandline
203-270NewtownLandline
203-271CheshireLandline
203-272CheshireLandline
203-273StamfordWireless
203-274StamfordWireless
203-275BridgeportLandline
203-276StamfordLandline
203-277Old GreenwichLandline
203-278SheltonWireless
203-279BridgeportWireless
203-280DarienLandline
203-281HamdenLandline
203-282StamfordWireless
203-283MilfordLandline
203-284WallingfordLandline
203-285New HavenLandline
203-286NorwalkLandline
203-287HamdenLandline
203-288HamdenLandline
203-289New FairfieldWireless
203-290BridgeportWireless
203-291WestportLandline
203-292FairfieldLandline
203-293StamfordLandline
203-294WallingfordLandline
203-295StamfordLandline
203-296BridgeportLandline
203-297New FairfieldLandline
203-298New HavenLandline
203-299NorwalkLandline
203-300New FairfieldWireless
203-301MilfordLandline
203-302GreenwichLandline
203-303WallingfordLandline
203-304NewtownLandline
203-305SheltonWireless
203-306MilfordLandline
203-307FairfieldLandline
203-308SheltonWireless
203-309New HavenWireless
203-310New CanaanLandline
203-312New FairfieldLandline
203-313New FairfieldWireless
203-314New HavenWireless
203-315BranfordLandline
203-316StamfordLandline
203-317MeridenLandline
203-318MadisonLandline
203-319FairfieldLandline
203-320DarienLandline
203-321StamfordLandline
203-322StamfordLandline
203-323StamfordLandline
203-324StamfordLandline
203-325StamfordLandline
203-326StamfordLandline
203-327StamfordLandline
203-328StamfordLandline
203-329StamfordLandline
203-330BridgeportLandline
203-331BridgeportLandline
203-332BridgeportLandline
203-333BridgeportLandline
203-334BridgeportLandline
203-335BridgeportLandline
203-336BridgeportLandline
203-337BridgeportLandline
203-338BridgeportLandline
203-339BridgeportLandline
203-340GreenwichLandline
203-341WestportLandline
203-342BridgeportWireless
203-343SheltonWireless
203-344Old GreenwichLandline
203-345BridgeportLandline
203-346WaterburyLandline
203-347GreenwichLandline
203-348StamfordLandline
203-349WestportLandline
203-350MadisonLandline
203-351StamfordLandline
203-352StamfordLandline
203-353StamfordLandline
203-354NorwalkLandline
203-355StamfordLandline
203-356StamfordLandline
203-357StamfordLandline
203-358StamfordLandline
203-359StamfordLandline
203-360BridgeportWireless
203-361New HavenLandline
203-362BridgeportLandline
203-363StamfordLandline
203-364NewtownLandline
203-365BridgeportLandline
203-366BridgeportLandline
203-367BridgeportLandline
203-368BridgeportLandline
203-369Old GreenwichLandline
203-370New HavenWireless
203-371BridgeportLandline
203-372BridgeportLandline
203-373BridgeportLandline
203-374BridgeportLandline
203-375BridgeportLandline
203-376New HavenWireless
203-377BridgeportLandline
203-378BridgeportLandline
203-379MeridenLandline
203-380BridgeportLandline
203-381BridgeportLandline
203-382BridgeportLandline
203-383BridgeportLandline
203-384BridgeportLandline
203-385BridgeportLandline
203-386BridgeportLandline
203-387New HavenLandline
203-388StamfordLandline
203-389New HavenLandline
203-390New HavenWireless
203-391StamfordLandline
203-392New HavenLandline
203-393WoodbridgeLandline
203-394BridgeportLandline
203-395BridgeportWireless
203-396BridgeportLandline
203-397New HavenLandline
203-398NorwalkWireless
203-399StamfordLandline
203-400TrumbullWireless
203-401New HavenLandline
203-402SheltonLandline
203-403RidgefieldLandline
203-404New HavenLandline
203-405WoodburyLandline
203-406StamfordLandline
203-407HamdenLandline
203-408ReddingLandline
203-409Old GreenwichLandline
203-410New HavenWireless
203-412New HavenWireless
203-413GreenwichLandline
203-414BridgeportWireless
203-415New HavenWireless
203-416BridgeportLandline
203-417New FairfieldWireless
203-418FairfieldLandline
203-419WaterburyLandline
203-420MeridenLandline
203-421MadisonLandline
203-422GreenwichLandline
203-423WiltonLandline
203-424New FairfieldWireless
203-425StamfordLandline
203-426NewtownLandline
203-427MeridenLandline
203-428StamfordLandline
203-429StamfordLandline
203-430New HavenWireless
203-431RidgefieldLandline
203-432New HavenLandline
203-433BranfordLandline
203-434NorwalkWireless
203-435New HavenWireless
203-436New HavenLandline
203-437WaterburyLandline
203-438RidgefieldLandline
203-441WolcottLandline
203-442New CanaanLandline
203-443MeridenLandline
203-444New HavenWireless
203-445TrumbullLandline
203-446SheltonLandline
203-447SheltonLandline
203-448New FairfieldLandline
203-449BridgeportWireless
203-450BridgeportWireless
203-451WestportLandline
203-452TrumbullLandline
203-453GuilfordLandline
203-454WestportLandline
203-455BridgeportLandline
203-456DanburyWireless
203-457GuilfordLandline
203-458GuilfordLandline
203-459TrumbullLandline
203-460New FairfieldLandline
203-461StamfordLandline
203-462StamfordLandline
203-463SeymourLandline
203-464New HavenWireless
203-465WaterburyLandline
203-466New HavenLandline
203-467New HavenLandline
203-468New HavenLandline
203-469New HavenLandline
203-470New FairfieldWireless
203-471
203-472
203-473
203-474
203-476
203-477New HavenWireless
203-478
203-479West HavenLandline
203-480FairfieldLandline
203-481BranfordLandline
203-482New FairfieldWireless
203-483BranfordLandline
203-484NorthfordLandline
203-485GreenwichLandline
203-486SouthburyLandline
203-487StamfordLandline
203-488BranfordLandline
203-489GreenwichLandline
203-490NaugatuckLandline
203-491NewtownLandline
203-492New HavenLandline
203-493WiltonLandline
203-494New HavenWireless
203-495New HavenLandline
203-496GreenwichWireless
203-497New HavenLandline
203-498New HavenLandline
203-499New HavenLandline
203-500New HavenWireless
203-501DanburyWireless
203-502BridgeportLandline
203-503New HavenLandline
203-504StamfordLandline
203-505NorwalkLandline
203-506New HavenWireless
203-507New HavenWireless
203-508New HavenLandline
203-509WaterburyWireless
203-510WaterburyWireless
203-512New FairfieldWireless
203-513New HavenLandline
203-514MeridenLandline
203-515NorwalkWireless
203-516SheltonLandline
203-517StamfordLandline
203-518WaterburyWireless
203-519WaterburyWireless
203-520BridgeportWireless
203-521BridgeportWireless
203-522BridgeportWireless
203-523NorwalkLandline
203-524StamfordWireless
203-525WaterburyWireless
203-526BridgeportWireless
203-527WaterburyLandline
203-528WaterburyLandline
203-529WiltonLandline
203-530New HavenWireless
203-531RiversideLandline
203-532RiversideLandline
203-533GuilfordLandline
203-534BridgeportWireless
203-535New HavenLandline
203-536StamfordWireless
203-537MeridenWireless
203-538SheltonLandline
203-539StamfordLandline
203-540BridgeportWireless
203-541StamfordLandline
203-542GreenwichLandline
203-543BridgeportWireless
203-544WiltonLandline
203-545BridgeportWireless
203-546New FairfieldLandline
203-548StamfordLandline
203-549BridgeportLandline
203-550StamfordWireless
203-551BridgeportLandline
203-552GreenwichLandline
203-553New HavenLandline
203-554StamfordWireless
203-556BridgeportWireless
203-557WestportLandline
203-558WaterburyWireless
203-559DarienLandline
203-560WaterburyWireless
203-561StamfordWireless
203-562New HavenLandline
203-563WiltonLandline
203-564StamfordLandline
203-565WaterburyWireless
203-566StamfordLandline
203-567SheltonLandline
203-568WaterburyLandline
203-569StamfordLandline
203-570StamfordWireless
203-571WestportLandline
203-572BridgeportWireless
203-573WaterburyLandline
203-574WaterburyLandline
203-575WaterburyLandline
203-576BridgeportLandline
203-577WaterburyLandline
203-578WaterburyLandline
203-579BridgeportLandline
203-580GreenwichLandline
203-581BridgeportLandline
203-582New HavenLandline
203-583BridgeportLandline
203-584New HavenWireless
203-585StamfordLandline
203-586WoodburyLandline
203-587WiltonLandline
203-588StamfordLandline
203-589New HavenWireless
203-590TrumbullLandline
203-591WaterburyLandline
203-592WaterburyWireless
203-593NorwalkWireless
203-594New CanaanLandline
203-595StamfordLandline
203-596WaterburyLandline
203-597WaterburyLandline
203-598WaterburyLandline
203-599MeridenLandline
203-600MeridenWireless
203-601TrumbullLandline
203-602StamfordLandline
203-603New HavenLandline
203-604StamfordLandline
203-605New HavenWireless
203-606New HavenWireless
203-607StamfordLandline
203-608MeridenLandline
203-609StamfordLandline
203-610BridgeportLandline
203-612BridgeportLandline
203-613NorwalkWireless
203-614StamfordLandline
203-615BridgeportLandline
203-616New FairfieldLandline
203-617New FairfieldWireless
203-618GreenwichLandline
203-619New HavenLandline
203-620DarienLandline
203-621DarienLandline
203-622GreenwichLandline
203-623New HavenWireless
203-624New HavenLandline
203-625GreenwichLandline
203-626New HavenLandline
203-627New HavenWireless
203-628New FairfieldLandline
203-629GreenwichLandline
203-630MeridenLandline
203-631MeridenWireless
203-632NaugatuckLandline
203-633WolcottLandline
203-634MeridenLandline
203-635StamfordLandline
203-636DarienLandline
203-637Old GreenwichLandline
203-638TrumbullLandline
203-639MeridenLandline
203-640New HavenWireless
203-641New HavenWireless
203-642StamfordLandline
203-643BranfordLandline
203-644NorwalkWireless
203-645New HavenWireless
203-646BranfordLandline
203-647MilfordLandline
203-648New FairfieldLandline
203-649CheshireLandline
203-650BridgeportWireless
203-651CheshireLandline
203-652StamfordLandline
203-653StamfordLandline
203-654HamdenLandline
203-655DarienLandline
203-656DarienLandline
203-657New HavenWireless
203-658StamfordLandline
203-659FairfieldLandline
203-660GreenwichLandline
203-661GreenwichLandline
203-662DarienLandline
203-663StamfordLandline
203-664ReddingLandline
203-665StamfordLandline
203-666BridgeportLandline
203-667StamfordWireless
203-668New HavenWireless
203-669DarienLandline
203-670WaterburyWireless
203-671New HavenWireless
203-672New HavenLandline
203-673BridgeportLandline
203-674StamfordLandline
203-675New HavenWireless
203-676New HavenWireless
203-677WallingfordLandline
203-678WallingfordLandline
203-679WallingfordLandline
203-680WaterburyWireless
203-681GreenwichLandline
203-682StamfordLandline
203-683BridgeportLandline
203-684New HavenWireless
203-685BridgeportWireless
203-686MeridenLandline
203-687New HavenLandline
203-688New HavenLandline
203-689New HavenLandline
203-690BridgeportWireless
203-691New HavenLandline
203-692FairfieldLandline
203-693MilfordLandline
203-694MeridenLandline
203-695WaterburyLandline
203-696BridgeportLandline
203-697WallingfordLandline
203-698Old GreenwichLandline
203-699CheshireLandline
203-701New HavenLandline
203-702New FairfieldLandline
203-703StamfordLandline
203-704WolcottLandline
203-705StamfordLandline
203-706WaterburyLandline
203-707WaterburyWireless
203-708StamfordLandline
203-709WaterburyLandline
203-710New HavenWireless
203-712SheltonLandline
203-713MilfordLandline
203-714NaugatuckLandline
203-715MeridenWireless
203-716StamfordLandline
203-717GreenwichLandline
203-718CheshireLandline
203-719StamfordLandline
203-720NaugatuckLandline
203-721WaterburyLandline
203-722NorwalkWireless
203-723NaugatuckLandline
203-724StamfordLandline
203-726BridgeportWireless
203-727BridgeportWireless
203-728StamfordLandline
203-729NaugatuckLandline
203-730New FairfieldLandline
203-731New FairfieldLandline
203-732AnsoniaLandline
203-733New FairfieldWireless
203-734AnsoniaLandline
203-735AnsoniaLandline
203-736AnsoniaLandline
203-737New HavenLandline
203-738GuilfordLandline
203-739New FairfieldLandline
203-740New FairfieldLandline
203-741WallingfordLandline
203-742GreenwichLandline
203-743New FairfieldLandline
203-744New FairfieldLandline
203-745New HavenLandline
203-746New FairfieldLandline
203-747New HavenLandline
203-748New FairfieldLandline
203-749New FairfieldLandline
203-750NorwalkLandline
203-751AnsoniaLandline
203-752New HavenLandline
203-753WaterburyLandline
203-754WaterburyLandline
203-755WaterburyLandline
203-756WaterburyLandline
203-757WaterburyLandline
203-758WaterburyLandline
203-759WaterburyLandline
203-760BridgeportLandline
203-761WiltonLandline
203-762WiltonLandline
203-763FairfieldLandline
203-764New HavenLandline
203-765New HavenLandline
203-766New HavenWireless
203-767BridgeportWireless
203-768WaterburyWireless
203-769GreenwichLandline
203-770New FairfieldLandline
203-771New HavenLandline
203-772New HavenLandline
203-773New HavenLandline
203-774WallingfordLandline
203-775New FairfieldLandline
203-776New HavenLandline
203-777New HavenLandline
203-778New FairfieldLandline
203-779MadisonLandline
203-780WaterburyWireless
203-781New HavenLandline
203-782New HavenLandline
203-783MilfordLandline
203-784New HavenLandline
203-785New HavenLandline
203-786New HavenLandline
203-787New HavenLandline
203-788New FairfieldWireless
203-789New HavenLandline
203-790New FairfieldLandline
203-791New FairfieldLandline
203-792New FairfieldLandline
203-793WallingfordLandline
203-794New FairfieldLandline
203-795West HavenLandline
203-796New FairfieldLandline
203-797New FairfieldLandline
203-798New FairfieldLandline
203-799West HavenLandline
203-800New HavenWireless
203-801New CanaanLandline
203-802WaterburyWireless
203-803NorwalkWireless
203-804New HavenWireless
203-805WaterburyLandline
203-806CheshireLandline
203-807NorwalkWireless
203-808WaterburyWireless
203-809New HavenWireless
203-810NorwalkLandline
203-812New HavenLandline
203-813GreenwichLandline
203-814BridgeportLandline
203-815New HavenLandline
203-816TrumbullLandline
203-817StamfordLandline
203-818NorwalkLandline
203-819WaterburyLandline
203-820NorwalkWireless
203-821New HavenLandline
203-822NorwalkLandline
203-823New HavenLandline
203-824New HavenWireless
203-825New FairfieldLandline
203-826New FairfieldLandline
203-827Old GreenwichLandline
203-828SeymourLandline
203-829NorwalkWireless
203-830New FairfieldLandline
203-831NorwalkLandline
203-832StamfordWireless
203-833New HavenWireless
203-834WiltonLandline
203-835NorwalkWireless
203-836New HavenWireless
203-837New FairfieldLandline
203-838NorwalkLandline
203-839NorwalkWireless
203-840NorwalkLandline
203-841WaterburyLandline
203-842StamfordLandline
203-843New HavenLandline
203-844FairfieldLandline
203-845NorwalkLandline
203-846NorwalkLandline
203-847NorwalkLandline
203-848New HavenLandline
203-849NorwalkLandline
203-850New HavenWireless
203-851NorwalkLandline
203-852NorwalkLandline
203-853NorwalkLandline
203-854NorwalkLandline
203-855NorwalkLandline
203-856NorwalkWireless
203-857NorwalkLandline
203-858NorwalkWireless
203-859New HavenLandline
203-861GreenwichLandline
203-862GreenwichLandline
203-863GreenwichLandline
203-864BridgeportWireless
203-865New HavenLandline
203-866NorwalkLandline
203-867New HavenLandline
203-868New HavenLandline
203-869GreenwichLandline
203-870BridgeportLandline
203-871BranfordLandline
203-872New HavenLandline
203-873BridgeportWireless
203-874MilfordLandline
203-875DarienLandline
203-876MilfordLandline
203-877MilfordLandline
203-878MilfordLandline
203-879WolcottLandline
203-880TrumbullLandline
203-881SeymourLandline
203-882MilfordLandline
203-883StamfordLandline
203-884GuilfordLandline
203-885New FairfieldWireless
203-886MeridenLandline
203-887New HavenWireless
203-888SeymourLandline
203-889New HavenLandline
203-890StamfordLandline
203-891West HavenLandline
203-892BridgeportWireless
203-893SheltonWireless
203-894RidgefieldLandline
203-895TrumbullWireless
203-896MadisonLandline
203-897StamfordLandline
203-898DarienLandline
203-899NorwalkLandline
203-900GreenwichLandline
203-901New HavenWireless
203-902New HavenLandline
203-903New HavenLandline
203-904NorwalkWireless
203-905StamfordLandline
203-906SheltonWireless
203-907New HavenLandline
203-908BridgeportWireless
203-909New HavenWireless
203-910WaterburyWireless
203-912StamfordWireless
203-913BridgeportWireless
203-914NorwalkLandline
203-915New HavenWireless
203-916NorwalkLandline
203-917New FairfieldWireless
203-918StamfordWireless
203-919NorwalkWireless
203-920StamfordLandline
203-921StamfordLandline
203-922SheltonLandline
203-923BridgeportLandline
203-924SheltonLandline
203-925SheltonLandline
203-926SheltonLandline
203-927New HavenLandline
203-928New HavenLandline
203-929SheltonLandline
203-930GreenwichLandline
203-931West HavenLandline
203-932West HavenLandline
203-933West HavenLandline
203-934West HavenLandline
203-935MeridenLandline
203-936New HavenLandline
203-937West HavenLandline
203-938ReddingLandline
203-939NorwalkLandline
203-940StamfordLandline
203-941SeymourLandline
203-942New FairfieldLandline
203-943NorwalkWireless
203-944SheltonLandline
203-945NorwalkLandline
203-946New HavenLandline
203-947New FairfieldWireless
203-948New FairfieldWireless
203-949WallingfordLandline
203-951MilfordLandline
203-952NorwalkWireless
203-953BridgeportWireless
203-954SheltonLandline
203-955FairfieldLandline
203-956NorwalkLandline
203-957NorwalkLandline
203-960StamfordLandline
203-961StamfordLandline
203-962StamfordLandline
203-963NorwalkLandline
203-964StamfordLandline
203-965StamfordLandline
203-966New CanaanLandline
203-967StamfordLandline
203-968StamfordLandline
203-969StamfordLandline
203-970NorwalkLandline
203-971GreenwichLandline
203-972New CanaanLandline
203-973StamfordLandline
203-974New HavenLandline
203-975StamfordLandline
203-977StamfordLandline
203-978StamfordLandline
203-979StamfordWireless
203-980New HavenWireless
203-981NorwalkWireless
203-982WaterburyWireless
203-983GreenwichLandline
203-984NorwalkWireless
203-985HamdenLandline
203-986Old GreenwichLandline
203-987GreenwichLandline
203-988New HavenWireless
203-989NorwalkLandline
203-990Old GreenwichLandline
203-991NorwalkLandline
203-992GreenwichLandline
203-993BridgeportWireless
203-994New FairfieldWireless
203-995BridgeportLandline
203-996New HavenWireless
203-997SheltonWireless
203-998StamfordLandline
203-999New HavenWireless

Statistics for area code 203