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NPA: 203 [Rate centres in NPA 203] [Dial plan for NPA 203]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-501 A Danbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
203-501 0 Danbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2010-09-06   
203-501 1 Danbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-10-15   
203-501 2 Danbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2011-03-02   
203-501 3 Danbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2011-02-03   
203-501 4 Danbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2011-03-02   
203-501 5 Danbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2011-03-02   
203-501 6 Danbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2011-03-02   
203-501 7 Danbury CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2011-03-10   
203-501 8 Danbury CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2011-03-10   
203-501 9 Danbury CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2011-03-10   
203-502 A Bridgeport CT SRFRCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-502 0 Bridgeport CT SRFRCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-502 1 Bridgeport CT   612K CSC VOICE, LLC 920   2005-04-21   
203-502 2 Bridgeport CT SRFRCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-502 3 Bridgeport CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2005-09-15   
203-502 4 Bridgeport CT SRFRCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-502 5 Bridgeport CT SRFRCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-502 6 Bridgeport CT SRFRCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-502 7 Bridgeport CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-07-28   
203-502 8 Bridgeport CT WLMNCT132MD  792K CHARTER IP ENABLED SERVICES, LLC 920   2005-01-17   
203-502 9 Bridgeport CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2005-10-22   
203-503 A New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-503 0 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-503 1 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2005-12-10   
203-503 2 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-503 3 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-503 4 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2008-07-17   
203-503 5 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-503 6 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-503 7 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2007-01-08   
203-503 8 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2007-01-08   
203-503 9 New Haven CT NWHNCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-504 A Stamford CT   829J PAETEC ITEL, LLC 920      
203-504 0 Stamford CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2004-04-15   
203-504 1 Stamford CT   829J PAETEC ITEL, LLC 920   2004-04-04   
203-504 2 Stamford CT   612K CSC VOICE, LLC 920   2007-09-20   
203-504 3 Stamford CT   829J PAETEC ITEL, LLC 920   2004-12-02   
203-504 4 Stamford CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2005-02-28   
203-504 5 Stamford CT   829J PAETEC ITEL, LLC 920   2005-04-18   
203-504 6 Stamford CT   829J PAETEC ITEL, LLC 920   2006-02-04   
203-504 7 Stamford CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-05-05   
203-504 8 Stamford CT   612K CSC VOICE, LLC 920   2007-09-20   
203-504 9 Stamford CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-01-08   
203-505 A Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
203-505 0 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2007-09-02   
203-505 1 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2007-09-02   
203-505 2 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2007-02-02   
203-505 3 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2007-01-04   
203-505 4 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2006-09-18   
203-505 5 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2006-07-02   
203-505 6 Norwalk CT NWHNCT02GT0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2006-07-07   
203-505 7 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2010-02-07   
203-505 8 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2006-08-03   
203-505 9 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2008-10-29   
203-506 A New Haven CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
203-507 A New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2024-02-09   
203-507 0 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2008-04-13   
203-507 1 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2008-04-13   
203-507 2 New Haven CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2007-02-08   
203-507 3 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
203-507 4 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
203-507 5 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
203-507 6 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
203-507 7 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
203-507 8 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
203-507 9 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
203-508 A New Haven CT   829J PAETEC ITEL, LLC 920      
203-508 0 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2004-06-13   
203-508 1 New Haven CT   829J PAETEC ITEL, LLC 920   2004-04-04   
203-508 2 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2004-07-16   
203-508 3 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2004-07-16   
203-508 4 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2005-05-29   
203-508 5 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2005-01-01   
203-508 6 New Haven CT   829J PAETEC ITEL, LLC 920   2004-07-22   
203-508 7 New Haven CT   829J PAETEC ITEL, LLC 920   2004-07-22   
203-508 8 New Haven CT   829J PAETEC ITEL, LLC 920   2004-07-22   
203-508 9 New Haven CT   829J PAETEC ITEL, LLC 920   2004-07-22   
203-509 A Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-509 0 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-509 1 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-509 2 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-509 3 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-509 4 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-509 5 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-509 6 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-509 7 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-509 8 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-509 9 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-510 A Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2024-02-09   
203-510 0 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-510 1 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-510 2 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-510 3 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-510 4 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-510 5 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-510 6 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-510 7 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-510 8 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-510 9 Waterbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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