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: 538

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-538 A Huntington CT   829J PAETEC ITEL, LLC 920      
203-538 0 Huntington CT   829J PAETEC ITEL, LLC 920      
203-538 1 Huntington CT   829J PAETEC ITEL, LLC 920      
203-538 2 Huntington CT   829J PAETEC ITEL, LLC 920      
203-538 3 Huntington CT   829J PAETEC ITEL, LLC 920      
203-538 4 Huntington CT   829J PAETEC ITEL, LLC 920      
203-538 5 Huntington CT   318J COMCAST IP PHONE, LLC 920   2012-04-07   
203-538 6 Huntington CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2011-03-14   
203-538 7 Huntington CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-16   
203-538 8 Huntington CT   829J PAETEC ITEL, LLC 920   2007-08-10   
203-538 9 Huntington CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2011-05-27   

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

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