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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
203-394 7 Bridgeport CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
203-394 8 Bridgeport CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
203-394 9 Bridgeport CT BRPTCT01DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-395 A Bridgeport CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-395 0 Bridgeport CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
203-395 1 Bridgeport CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-395 2 Bridgeport CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-395 3 Bridgeport CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-395 4 Bridgeport CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-395 5 Bridgeport CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-395 6 Bridgeport CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-395 7 Bridgeport CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-395 8 Bridgeport CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-395 9 Bridgeport CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-396 A Bridgeport CT BRPTCT03DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-397 A New Haven CT WSTVCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-397 0 New Haven CT WSTVCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-397 1 New Haven CT WSTVCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-397 2 New Haven CT WSTVCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-397 3 New Haven CT WSTVCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-397 4 New Haven CT WSTVCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-397 5 New Haven CT WSTVCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-397 6 New Haven CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-04-19   
203-397 7 New Haven CT WSTVCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-397 8 New Haven CT WSTVCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-397 9 New Haven CT WSTVCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-398 A Norwalk CT HRFRCT0380Z  6630 SPOK, INC. 920      
203-399 A Stamford CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920      
203-399 0 Stamford CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920      
203-399 1 Stamford CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920      
203-399 2 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2013-11-15   
203-399 3 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2013-11-15   
203-399 4 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2013-11-15   
203-399 5 Stamford CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920      
203-399 6 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2013-11-15   
203-399 7 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2013-11-15   
203-399 8 Stamford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2013-11-15   
203-399 9 Stamford CT   829J PAETEC ITEL, LLC 920   2014-10-16   
203-400 A Trumbull CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
203-400 0 Trumbull CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
203-400 1 Trumbull CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
203-400 2 Trumbull CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
203-400 3 Trumbull CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
203-400 4 Trumbull CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
203-400 5 Trumbull CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2004-03-17   
203-400 6 Trumbull CT SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-06-18   
203-400 7 Trumbull CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2004-05-08   
203-400 8 Trumbull CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2004-05-08   
203-400 9 Trumbull CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2004-07-11   
203-401 A New Haven CT NWHNCT03DS3  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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