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: 490

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-490 A Naugatuck CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-490 0 Naugatuck CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-01-17   
203-490 1 Naugatuck CT   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-490 2 Naugatuck CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-02-07   
203-490 3 Naugatuck CT   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920   2007-04-15   
203-490 4 Naugatuck CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2003-08-12   
203-490 5 Naugatuck CT   6664 SPRINT SPECTRUM L.P. 920   2009-09-10   
203-490 6 Naugatuck CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-09-09   
203-490 7 Naugatuck CT   6664 SPRINT SPECTRUM L.P. 920   2005-12-29   
203-490 8 Naugatuck CT   6664 SPRINT SPECTRUM L.P. 920   2004-04-09   
203-490 9 Naugatuck CT   6664 SPRINT SPECTRUM L.P. 920   2002-12-11   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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