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: 493

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-493 A Georgetown CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-493 0 Georgetown CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-11-11   
203-493 1 Georgetown CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2008-11-29   
203-493 2 Georgetown CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-01-02   
203-493 3 Georgetown CT   515J IP HORIZON LLC 920   2022-08-04   
203-493 4 Georgetown CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-02-28   
203-493 5 Georgetown CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2010-09-02   
203-493 6 Georgetown CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2011-06-01   
203-493 7 Georgetown CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2011-08-15   
203-493 8 Georgetown CT   145J TERRA NOVA TELECOM INC. 920   2022-04-17   
203-493 9 Georgetown CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-11-08   

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

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