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: 626

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-626 A Wallingford CT NWHNCT02X5X  7421 AT&T - LOCAL 920      
203-626 0 Wallingford CT   829J PAETEC ITEL, LLC 920   2001-06-04   
203-626 1 Wallingford CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2008-11-29   
203-626 2 Wallingford CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-02-28   
203-626 3 Wallingford CT   7421 AT&T - LOCAL 920      
203-626 4 Wallingford CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2018-10-19   
203-626 5 Wallingford CT   318J COMCAST IP PHONE, LLC 920   2004-12-18   
203-626 6 Wallingford CT   829J PAETEC ITEL, LLC 920   2006-04-03   
203-626 7 Wallingford CT   829J PAETEC ITEL, LLC 920   2008-05-12   
203-626 8 Wallingford CT   829J PAETEC ITEL, LLC 920   2008-01-28   
203-626 9 Wallingford CT   318J COMCAST IP PHONE, LLC 920   2010-09-16   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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