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: 599

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-599 A Meriden CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-599 0 Meriden CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-01-17   
203-599 1 Meriden CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-02-07   
203-599 2 Meriden CT HRFRCT0370Z  2706 CHOICE ONE COMMUNICATIONS, INC. - CT 920   2006-04-17   
203-599 3 Meriden CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-07-22   
203-599 4 Meriden CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2003-01-06   
203-599 5 Meriden CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2009-01-16   
203-599 6 Meriden CT NWHNCT030MD  3722 CONVERSENT COMMUNICATIONS OF CONNECTICUT, LLC - CT 920   2006-04-27   
203-599 7 Meriden CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-03   
203-599 8 Meriden CT HRFRCT03GT0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2006-07-07   
203-599 9 Meriden CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2022-10-10   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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