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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-390 A New Haven CT   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-390 0 New Haven CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2016-02-06   
203-390 1 New Haven CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2016-02-06   
203-390 2 New Haven CT   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920   2016-01-08   
203-390 3 New Haven CT   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920   2016-01-08   
203-390 4 New Haven CT   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920   2016-01-08   
203-390 5 New Haven CT   7621 COMCAST PHONE OF CONNECTICUT, INC. - CT 920   2016-01-18   
203-390 6 New Haven CT   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920   2017-01-03   
203-390 7 New Haven CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-01-21   
203-390 8 New Haven CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2016-02-06   
203-390 9 New Haven CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-01-21   

Last updated: Sun, 29 Sep 2019 14:17:11 UTC

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