203 Area Code has 777 prefixes

PrefixPrimary CityCarrier
203-200New HavenBandwidth.com Clec, Llc - Ct
203-201HartfordUsa Mobility Wireless, Inc.
203-202NorwalkCablevision Lightpath, Inc. - Ct
203-204HartfordTeleport Communications America, Llc - Ct
203-205DanburySouthern New England Telco Dba Frontier Comm Of Ct
203-206MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-207DanburySouthern New England Telco Dba Frontier Comm Of Ct
203-208HartfordComcast Phone Of Connecticut, Inc. - Ct
203-209WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-210NorwalkCablevision Lightpath, Inc. - Ct
203-212MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-213MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-214MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-215MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-216MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-217MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-218MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-219MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-220NorwalkCablevision Lightpath, Inc. - Ct
203-221WestportSouthern New England Telco Dba Frontier Comm Of Ct
203-222WestportSouthern New England Telco Dba Frontier Comm Of Ct
203-223WallingfordSprint Spectrum L.p.
203-224BridgeportSouthern New England Telco Dba Frontier Comm Of Ct
203-225SheltonSouthern New England Telco Dba Frontier Comm Of Ct
203-226WestportSouthern New England Telco Dba Frontier Comm Of Ct
203-227WestportSouthern New England Telco Dba Frontier Comm Of Ct
203-228WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-229NorwalkSouthern New England Telco Dba Frontier Comm Of Ct
203-230HamdenSouthern New England Telco Dba Frontier Comm Of Ct
203-231WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-232WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-233WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-234North HavenSouthern New England Telco Dba Frontier Comm Of Ct
203-235MeridenSouthern New England Telco Dba Frontier Comm Of Ct
203-236WaterburySouthern New England Telco Dba Frontier Comm Of Ct
203-237MeridenSouthern New England Telco Dba Frontier Comm Of Ct
203-238MeridenSouthern New England Telco Dba Frontier Comm Of Ct
203-239North HavenSouthern New England Telco Dba Frontier Comm Of Ct
203-240WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-241WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-242NorwalkCablevision Lightpath, Inc. - Ct
203-243BloomfieldOmnipoint Communications, Inc. - Ct
203-244HartfordCablevision Lightpath, Inc. - Ct
203-245MadisonSouthern New England Telco Dba Frontier Comm Of Ct
203-246WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-247WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-248HamdenSouthern New England Telco Dba Frontier Comm Of Ct
203-249WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-250CheshireSouthern New England Telco Dba Frontier Comm Of Ct
203-251StamfordSouthern New England Telco Dba Frontier Comm Of Ct
203-252BloomfieldCablevision Lightpath, Inc. - Ct
203-253WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-254FairfieldSouthern New England Telco Dba Frontier Comm Of Ct
203-255FairfieldSouthern New England Telco Dba Frontier Comm Of Ct
203-256FairfieldSouthern New England Telco Dba Frontier Comm Of Ct
203-257WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-258WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-259FairfieldSouthern New England Telco Dba Frontier Comm Of Ct
203-260MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-261TrumbullSouthern New England Telco Dba Frontier Comm Of Ct
203-262SouthburySouthern New England Telco Dba Frontier Comm Of Ct
203-263SouthburySouthern New England Telco Dba Frontier Comm Of Ct
203-264SouthburySouthern New England Telco Dba Frontier Comm Of Ct
203-265WallingfordSouthern New England Telco Dba Frontier Comm Of Ct
203-266SouthburySouthern New England Telco Dba Frontier Comm Of Ct
203-267SouthburySouthern New England Telco Dba Frontier Comm Of Ct
203-268TrumbullSouthern New England Telco Dba Frontier Comm Of Ct
203-269WallingfordSouthern New England Telco Dba Frontier Comm Of Ct
203-270NewtownSouthern New England Telco Dba Frontier Comm Of Ct
203-271CheshireSouthern New England Telco Dba Frontier Comm Of Ct
203-272CheshireSouthern New England Telco Dba Frontier Comm Of Ct
203-273WallingfordCellco Partnership Dba Verizon Wireless - Ct
203-274MiddletownNew Cingular Wireless Pcs, Llc - Dc
203-275BridgeportSouthern New England Telco Dba Frontier Comm Of Ct
203-276NorwalkCablevision Lightpath, Inc. - Ct
203-277StamfordBrooks Fiber Communications Of Connecticut Inc-ct
203-278BloomfieldOmnipoint Communications, Inc. - Ct
203-279WaterburyUsa Mobility Wireless, Inc.
203-280StamfordBrooks Fiber Communications Of Connecticut Inc-ct
203-281HamdenSouthern New England Telco Dba Frontier Comm Of Ct
203-282WaterburyUsa Mobility Wireless, Inc.
203-283NorwalkCablevision Lightpath, Inc. - Ct
203-284WallingfordSouthern New England Telco Dba Frontier Comm Of Ct
203-285HartfordTeleport Communications America, Llc - Ct
203-286New HavenConversent Communications Of Connecticut, Llc
203-287HamdenSouthern New England Telco Dba Frontier Comm Of Ct
203-288HamdenSouthern New England Telco Dba Frontier Comm Of Ct
203-289WaterburyUsa Mobility Wireless, Inc.
203-290BloomfieldOmnipoint Communications, Inc. - Ct
203-291WestportSouthern New England Telco Dba Frontier Comm Of Ct
203-292NorwalkCablevision Lightpath, Inc. - Ct
203-293HartfordBrooks Fiber Communications Of Connecticut Inc-ct
203-294WallingfordSouthern New England Telco Dba Frontier Comm Of Ct
203-295StamfordBrooks Fiber Communications Of Connecticut Inc-ct
203-296StamfordBrooks Fiber Communications Of Connecticut Inc-ct
203-297MiddletownBrooks Fiber Communications Of Connecticut Inc-ct
203-298NorwalkCablevision Lightpath, Inc. - Ct
203-299NorwalkSouthern New England Telco Dba Frontier Comm Of Ct
203-300BloomfieldOmnipoint Communications, Inc. - Ct
203-301MilfordSouthern New England Telco Dba Frontier Comm Of Ct