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: 638

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-638 A Trumbull CT   829J PAETEC ITEL, LLC 920      
203-638 0 Trumbull CT   829J PAETEC ITEL, LLC 920      
203-638 1 Trumbull CT   829J PAETEC ITEL, LLC 920      
203-638 2 Trumbull CT   829J PAETEC ITEL, LLC 920      
203-638 3 Trumbull CT   829J PAETEC ITEL, LLC 920      
203-638 4 Trumbull CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2010-03-21   
203-638 5 Trumbull CT   829J PAETEC ITEL, LLC 920      
203-638 6 Trumbull CT   829J PAETEC ITEL, LLC 920      
203-638 7 Trumbull CT   829J PAETEC ITEL, LLC 920      
203-638 8 Trumbull CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2022-05-21   
203-638 9 Trumbull CT   829J PAETEC ITEL, LLC 920      

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

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