Local Calling Guide

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

NXX: 793

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-793 A Wallingford CT SMFRCTQI9MD  3493 GLOBAL CROSSING LOCAL SERVICES, INC. - CT 920      
203-793 0 Wallingford CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-04   
203-793 1 Wallingford CT NWHNCT030MD  3722 CONVERSENT COMMUNICATIONS OF CONNECTICUT, LLC - CT 920   2006-04-06   
203-793 2 Wallingford CT SMFRCTQI9MD  3493 GLOBAL CROSSING LOCAL SERVICES, INC. - CT 920      
203-793 3 Wallingford CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-793 4 Wallingford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-11-22   
203-793 5 Wallingford CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2020-10-18   
203-793 6 Wallingford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2016-02-08   
203-793 7 Wallingford CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2006-11-14   
203-793 8 Wallingford CT SMFRCTCTDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920   2017-03-03   
203-793 9 Wallingford CT   145J TERRA NOVA TELECOM INC. 920   2020-12-12   

Last updated: Wed, 01 Jan 2025 02:39:49 UTC

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