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: 663

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-663 A Norwalk CT   829J PAETEC ITEL, LLC 920      
203-663 0 Norwalk CT   829J PAETEC ITEL, LLC 920      
203-663 1 Norwalk CT   829J PAETEC ITEL, LLC 920      
203-663 2 Norwalk CT   829J PAETEC ITEL, LLC 920      
203-663 3 Norwalk CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2011-10-13   
203-663 4 Norwalk CT   829J PAETEC ITEL, LLC 920      
203-663 5 Norwalk CT   829J PAETEC ITEL, LLC 920      
203-663 6 Norwalk CT   829J PAETEC ITEL, LLC 920      
203-663 7 Norwalk CT   829J PAETEC ITEL, LLC 920      
203-663 8 Norwalk CT   829J PAETEC ITEL, LLC 920      
203-663 9 Norwalk CT   829J PAETEC ITEL, LLC 920      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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