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: 738

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-738 A Guilford CT   829J PAETEC ITEL, LLC 920      
203-738 0 Guilford CT   829J PAETEC ITEL, LLC 920      
203-738 1 Guilford CT   829J PAETEC ITEL, LLC 920      
203-738 2 Guilford CT   829J PAETEC ITEL, LLC 920      
203-738 3 Guilford CT   829J PAETEC ITEL, LLC 920      
203-738 4 Guilford CT   829J PAETEC ITEL, LLC 920      
203-738 5 Guilford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2016-04-24   
203-738 6 Guilford CT   829J PAETEC ITEL, LLC 920   2010-06-20   
203-738 7 Guilford CT NWLNCTCS6MD  508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-08   
203-738 8 Guilford CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2010-07-16   
203-738 9 Guilford CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2002-12-14   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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