Local Calling Guide

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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
203-643 0 Branford CT HRFRCT0370Z  2706 CHOICE ONE COMMUNICATIONS, INC. - CT 920      
203-643 1 Branford CT HRFRCT0370Z  2706 CHOICE ONE COMMUNICATIONS, INC. - CT 920      
203-643 2 Branford CT HRFRCT0370Z  2706 CHOICE ONE COMMUNICATIONS, INC. - CT 920      
203-643 3 Branford CT HRFRCT0370Z  2706 CHOICE ONE COMMUNICATIONS, INC. - CT 920      
203-643 4 Branford CT HRFRCT0370Z  2706 CHOICE ONE COMMUNICATIONS, INC. - CT 920      
203-643 5 Branford CT HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920   2003-06-18   
203-643 6 Branford CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920   2013-12-13   
203-643 7 Branford CT HRFRCT0370Z  2706 CHOICE ONE COMMUNICATIONS, INC. - CT 920   2011-03-23   
203-643 8 Branford CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-03-07   
203-643 9 Branford CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920   2008-12-17   
203-644 A Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
203-644 0 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
203-644 1 Norwalk CT SMFRCT0162Z  3863 CTC COMMUNICATIONS CORP. - CT 920   2004-06-06   
203-644 2 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
203-644 3 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2004-08-02   
203-644 4 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
203-644 5 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2005-01-04   
203-644 6 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2005-02-07   
203-644 7 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2005-06-03   
203-644 8 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2005-07-03   
203-644 9 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
203-645 A New Haven CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
203-646 A Branford CT SMFRCTQI9MD  3493 GLOBAL CROSSING LOCAL SERVICES, INC. - CT 920      
203-646 0 Branford CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-03-12   
203-646 1 Branford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-05-06   
203-646 2 Branford CT HRFRCTBC7MD  506J TWILIO INTERNATIONAL, INC. 920   2021-03-28   
203-646 3 Branford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-11-22   
203-646 4 Branford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-11-22   
203-646 5 Branford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-03-04   
203-646 6 Branford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2011-06-01   
203-646 7 Branford CT   5562 METROPCS, INC. 920   2011-03-29   
203-646 8 Branford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2011-06-01   
203-646 9 Branford CT SMFRCTQI9MD  3493 GLOBAL CROSSING LOCAL SERVICES, INC. - CT 920      
203-647 A Milford CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-648 A Danbury CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-648 0 Danbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2003-07-22   
203-648 1 Danbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2003-07-22   
203-648 2 Danbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2003-10-11   
203-648 3 Danbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2003-10-11   
203-648 4 Danbury CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-648 5 Danbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2003-11-02   
203-648 6 Danbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2004-02-18   
203-648 7 Danbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2004-02-18   
203-648 8 Danbury CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2004-07-15   
203-648 9 Danbury CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-10-21   
203-649 A Cheshire CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-649 0 Cheshire CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-649 1 Cheshire CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-649 2 Cheshire CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-649 3 Cheshire CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      

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Last updated: Wed, 07 Feb 2024 04:12:25 UTC

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