Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 475 [Rate centres in NPA 475] [Dial plan for NPA 475]

NXX: 317

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-317 A New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-317 0 New Haven CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-06-26   
475-317 1 New Haven CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-02-21   
475-317 2 New Haven CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-02-21   
475-317 3 New Haven CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-02-21   
475-317 4 New Haven CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-01-26   
475-317 5 New Haven CT   639C ONVOY, LLC - CT 920   2024-02-09   
475-317 6 New Haven CT   639C ONVOY, LLC - CT 920   2024-02-09   
475-317 7 New Haven CT   639C ONVOY, LLC - CT 920   2024-02-09   
475-317 8 New Haven CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-03-15   
475-317 9 New Haven CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2023-02-20   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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