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: 678

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-678 A Wallingford CT   829J PAETEC ITEL, LLC 920      
203-678 0 Wallingford CT   829J PAETEC ITEL, LLC 920      
203-678 1 Wallingford CT   829J PAETEC ITEL, LLC 920      
203-678 2 Wallingford CT   829J PAETEC ITEL, LLC 920      
203-678 3 Wallingford CT   829J PAETEC ITEL, LLC 920      
203-678 4 Wallingford CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2012-12-01   
203-678 5 Wallingford CT   829J PAETEC ITEL, LLC 920      
203-678 6 Wallingford CT   829J PAETEC ITEL, LLC 920      
203-678 7 Wallingford CT   829J PAETEC ITEL, LLC 920      
203-678 8 Wallingford CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-04   
203-678 9 Wallingford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2016-07-18   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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