203 Area Code has 777 prefixes

PrefixPrimary CityCarrier
203-403StamfordTeleport Communications America, Llc - Ct
203-404HartfordBroadwing Communications, Llc - Ct
203-405Paetec Communications, Llc - Ct
203-406StamfordSouthern New England Telco Dba Frontier Comm Of Ct
203-407HamdenSouthern New England Telco Dba Frontier Comm Of Ct
203-408HartfordAt&t Local
203-409HartfordTeleport Communications America, Llc - Ct
203-410HartfordSprint Spectrum L.p.
203-412SouthburyAmerican Messaging Services, Llc
203-413New YorkPaetec Communications, Inc. - Ny
203-414MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-415MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-416BridgeportSouthern New England Telco Dba Frontier Comm Of Ct
203-417MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-418StamfordTeleport Communications America, Llc - Ct
203-419WaterburySouthern New England Telco Dba Frontier Comm Of Ct
203-420MeridenSouthern New England Telco Dba Frontier Comm Of Ct
203-421MadisonSouthern New England Telco Dba Frontier Comm Of Ct
203-422GreenwichVerizon New York Inc.
203-423HartfordTeleport Communications America, Llc - Ct
203-424WallingfordSprint Spectrum L.p.
203-425StamfordSouthern New England Telco Dba Frontier Comm Of Ct
203-426NewtownSouthern New England Telco Dba Frontier Comm Of Ct
203-427HartfordMcimetro Access Transmission Services Llc
203-428StamfordBrooks Fiber Communications Of Connecticut Inc-ct
203-429StamfordBrooks Fiber Communications Of Connecticut Inc-ct
203-430MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-431RidgefieldSouthern New England Telco Dba Frontier Comm Of Ct
203-432New HavenSouthern New England Telco Dba Frontier Comm Of Ct
203-433StamfordComcast Phone Of Connecticut, Inc. - Ct
203-434BloomfieldOmnipoint Communications, Inc. - Ct
203-435BloomfieldOmnipoint Communications, Inc. - Ct
203-436New HavenSouthern New England Telco Dba Frontier Comm Of Ct
203-437HartfordMcimetro Access Transmission Services Llc
203-438RidgefieldSouthern New England Telco Dba Frontier Comm Of Ct
203-439ManchesterCox Connecticut Telecom, Llc
203-440ManchesterCox Connecticut Telecom, Llc
203-441HartfordTeleport Communications America, Llc - Ct
203-442HartfordTeleport Communications America, Llc - Ct
203-443BloomfieldMcimetro Access Transmission Services Llc
203-444MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-445TrumbullSouthern New England Telco Dba Frontier Comm Of Ct
203-446StamfordTeleport Communications America, Llc - Ct
203-447HartfordTeleport Communications America, Llc - Ct
203-448StamfordBrooks Fiber Communications Of Connecticut Inc-ct
203-449WallingfordSprint Spectrum L.p.
203-450WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-451MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-452TrumbullSouthern New England Telco Dba Frontier Comm Of Ct
203-453GuilfordSouthern New England Telco Dba Frontier Comm Of Ct
203-454WestportSouthern New England Telco Dba Frontier Comm Of Ct
203-455StamfordBrooks Fiber Communications Of Connecticut Inc-ct
203-456WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-457MadisonSouthern New England Telco Dba Frontier Comm Of Ct
203-458GuilfordSouthern New England Telco Dba Frontier Comm Of Ct
203-459TrumbullSouthern New England Telco Dba Frontier Comm Of Ct
203-460WallingfordAt&t Local
203-461WallingfordSouthern New England Telco Dba Frontier Comm Of Ct
203-462StamfordSouthern New England Telco Dba Frontier Comm Of Ct
203-463HartfordTeleport Communications America, Llc - Ct
203-464WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-465WaterburySouthern New England Telco Dba Frontier Comm Of Ct
203-466East HavenSouthern New England Telco Dba Frontier Comm Of Ct
203-467East HavenSouthern New England Telco Dba Frontier Comm Of Ct
203-468East HavenSouthern New England Telco Dba Frontier Comm Of Ct
203-469East HavenSouthern New England Telco Dba Frontier Comm Of Ct
203-470WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-473Southern New England Telco Dba Frontier Comm Of Ct
203-476Southern New England Telco
203-477HartfordUsa Mobility Wireless, Inc.
203-478Southern New England Telco Dba Frontier Comm Of Ct
203-479West HavenSouthern New England Telco Dba Frontier Comm Of Ct
203-480StamfordBrooks Fiber Communications Of Connecticut Inc-ct
203-481BranfordSouthern New England Telco Dba Frontier Comm Of Ct
203-482MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-483BranfordSouthern New England Telco Dba Frontier Comm Of Ct
203-484North BranfordSouthern New England Telco Dba Frontier Comm Of Ct
203-485GreenwichCablevision Lightpath, Inc. - Ct
203-486SouthburySouthern New England Telco Dba Frontier Comm Of Ct
203-487StamfordGlobal Crossing Local Services, Inc.-ct
203-488BranfordSouthern New England Telco Dba Frontier Comm Of Ct
203-489New YorkCablevision Lightpath, Inc. - Ct
203-490WallingfordTeleport Communications America, Llc - Ct
203-491HartfordBandwidth.com Clec, Llc - Ct
203-492New HavenSouthern New England Telco Dba Frontier Comm Of Ct
203-493HartfordLevel 3 Communications, Llc - Ct
203-494WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-495New HavenSouthern New England Telco Dba Frontier Comm Of Ct
203-496New YorkSprint Spectrum L.p.
203-497New HavenSouthern New England Telco Dba Frontier Comm Of Ct
203-498New HavenSouthern New England Telco Dba Frontier Comm Of Ct
203-499New HavenSouthern New England Telco Dba Frontier Comm Of Ct
203-500MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-501WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-502StratfordSouthern New England Telco Dba Frontier Comm Of Ct
203-503New HavenSouthern New England Telco Dba Frontier Comm Of Ct
203-504New HavenCtc Communications Corp. - Ct
203-505WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-506MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-507HartfordSprint Spectrum L.p.
203-508BloomfieldCtc Communications Corp. - Ct
203-509WallingfordSprint Spectrum L.p.
203-510WallingfordSprint Spectrum L.p.
203-512BloomfieldOmnipoint Communications, Inc. - Ct
203-513CheshireAt&t Local
203-514HartfordTeleport Communications America, Llc - Ct
203-515WallingfordSprint Spectrum L.p.
203-516StamfordGlobal Crossing Local Services, Inc.-ct
203-517MiddletownLevel 3 Communications, Llc - Ct
203-518MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-519WallingfordSprint Spectrum L.p.
203-520WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-521WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-522MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-523HartfordTeleport Communications America, Llc - Ct
203-524MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-525MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-526WallingfordSprint Spectrum L.p.
203-527HartfordSouthern New England Telco Dba Frontier Comm Of Ct
203-528MiddletownLevel 3 Communications, Llc - Ct
203-529HartfordAt&t Local
203-530WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-531Port ChesterVerizon New York Inc.
203-532Port ChesterVerizon New York Inc.
203-533HartfordLevel 3 Communications, Llc - Ct
203-534BridgeportSouthern New England Telco Dba Frontier Comm Of Ct
203-535WallingfordComcast Phone Of Connecticut, Inc. - Ct
203-536WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-537HartfordSprint Spectrum L.p.
203-538HartfordChoice One Communications, Inc. - Ct
203-539StamfordSouthern New England Telco Dba Frontier Comm Of Ct
203-540WallingfordNew Cingular Wireless Pcs, Llc - Dc
203-541StamfordSouthern New England Telco Dba Frontier Comm Of Ct
203-542GreenwichAt&t Local
203-543BloomfieldOmnipoint Communications, Inc. - Ct
203-544GeorgetownSouthern New England Telco Dba Frontier Comm Of Ct
203-545WallingfordSprint Spectrum L.p.
203-546HartfordTeleport Communications America, Llc - Ct
203-547HartfordGlobal Naps, Inc. - Ct
203-548NorwalkBroadwing Communications, Llc - Ct
203-549HartfordChoice One Communications, Inc. - Ct
203-550BloomfieldOmnipoint Communications, Inc. - Ct
203-551HartfordTeleport Communications America, Llc - Ct
203-552GreenwichVerizon New York Inc.
203-553New HavenSouthern New England Telco Dba Frontier Comm Of Ct
203-554MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-556MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-557NorwalkCablevision Lightpath, Inc. - Ct
203-558MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-559WallingfordTeleport Communications America, Llc - Ct
203-560MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-561WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-562New HavenSouthern New England Telco Dba Frontier Comm Of Ct
203-563WiltonSouthern New England Telco Dba Frontier Comm Of Ct
203-564CheshireAt&t Local
203-565WallingfordSprint Spectrum L.p.
203-566StamfordBrooks Fiber Communications Of Connecticut Inc-ct
203-567Paetec Communications, Llc - Ct
203-568Paetec Communications, Llc - Ct
203-569NorwalkCablevision Lightpath, Inc. - Ct
203-570BloomfieldOmnipoint Communications, Inc. - Ct
203-571CheshireAt&t Local
203-572WallingfordSprint Spectrum L.p.
203-573WaterburySouthern New England Telco Dba Frontier Comm Of Ct
203-574WaterburySouthern New England Telco Dba Frontier Comm Of Ct
203-575WaterburySouthern New England Telco Dba Frontier Comm Of Ct
203-576BridgeportSouthern New England Telco Dba Frontier Comm Of Ct
203-577MiddleburySouthern New England Telco Dba Frontier Comm Of Ct
203-578WaterburySouthern New England Telco Dba Frontier Comm Of Ct
203-579BridgeportSouthern New England Telco Dba Frontier Comm Of Ct
203-580HartfordPeerless Network Of Connecticut, Llc - Ct
203-581BridgeportSouthern New England Telco Dba Frontier Comm Of Ct
203-582HamdenSouthern New England Telco Dba Frontier Comm Of Ct
203-583MiddletownLevel 3 Communications, Llc - Ct
203-584WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-585StamfordSouthern New England Telco Dba Frontier Comm Of Ct
203-586HartfordTeleport Communications America, Llc - Ct
203-587NorwalkCablevision Lightpath, Inc. - Ct
203-588NorwalkCablevision Lightpath, Inc. - Ct
203-589HartfordSprint Spectrum L.p.
203-590HartfordLevel 3 Communications, Llc - Ct
203-591WaterburySouthern New England Telco Dba Frontier Comm Of Ct
203-592MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-593WaterburyUsa Mobility Wireless, Inc.
203-594NorwalkCablevision Lightpath, Inc. - Ct
203-595StamfordSouthern New England Telco Dba Frontier Comm Of Ct
203-596WaterburySouthern New England Telco Dba Frontier Comm Of Ct
203-597WaterburySouthern New England Telco Dba Frontier Comm Of Ct
203-598WallingfordSouthern New England Telco Dba Frontier Comm Of Ct
203-599StamfordAt&t Local
203-600BloomfieldMetro Pcs, Inc.
203-601HartfordTeleport Communications America, Llc - Ct
203-602StamfordSouthern New England Telco Dba Frontier Comm Of Ct
203-603New HavenSouthern New England Telco Dba Frontier Comm Of Ct
203-604HartfordBroadwing Communications, Llc - Ct
203-605WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-606BloomfieldOmnipoint Communications, Inc. - Ct
203-607StamfordBrooks Fiber Communications Of Connecticut Inc-ct
203-608Paetec Communications, Llc - Ct
203-609StamfordSouthern New England Telco Dba Frontier Comm Of Ct