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 SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-638 0 Trumbull CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-638 1 Trumbull CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-638 2 Trumbull CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-638 3 Trumbull CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-638 4 Trumbull CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT DBA T-MOBILE USA 920   2010-03-21   
203-638 5 Trumbull CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-638 6 Trumbull CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-638 7 Trumbull CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
203-638 8 Trumbull CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT DBA T-MOBILE USA 920   2022-05-21   
203-638 9 Trumbull CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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