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: 447

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-447 A Huntington CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-447 0 Huntington CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-16   
203-447 1 Huntington CT   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-447 2 Huntington CT   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-447 3 Huntington CT   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-447 4 Huntington CT   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920   2014-10-14   
203-447 5 Huntington CT   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-447 6 Huntington CT   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920   2015-01-12   
203-447 7 Huntington CT   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-447 8 Huntington CT   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920   2003-06-18   
203-447 9 Huntington CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2014-05-17   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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