Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 203 [Rate centres in NPA 203] [Dial plan for NPA 203]

NXX: 403

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-403 A Ridgefield CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-403 0 Ridgefield CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-403 1 Ridgefield CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-403 2 Ridgefield CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-403 3 Ridgefield CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
203-403 4 Ridgefield CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-403 5 Ridgefield CT NWHNCT02GT0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-403 6 Ridgefield CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-403 7 Ridgefield CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-403 8 Ridgefield CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-403 9 Ridgefield CT SMFRCTQI9MD  3493 GLOBAL CROSSING LOCAL SERVICES, INC. - CT 920      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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