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: 590

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-590 A Trumbull CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-590 0 Trumbull CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2011-12-19   
203-590 1 Trumbull CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2012-05-17   
203-590 2 Trumbull CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-02-08   
203-590 3 Trumbull CT WLMNCT130MD  777C CHARTER FIBERLINK CT-CCO, LLC - CT 920   2013-03-29   
203-590 4 Trumbull CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2011-11-26   
203-590 5 Trumbull CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-10-30   
203-590 6 Trumbull CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-03-03   
203-590 7 Trumbull CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2011-05-27   
203-590 8 Trumbull CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-04-29   
203-590 9 Trumbull CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-04-29   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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