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: 365

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-365 A New Haven CT   639C ONVOY, LLC - CT 920   2024-05-19   
475-365 0 New Haven CT   639C ONVOY, LLC - CT 920   2024-05-19   
475-365 1 New Haven CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-06-14   
475-365 2 New Haven CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-06-14   
475-365 3 New Haven CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-06-14   
475-365 4 New Haven CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-06-14   
475-365 5 New Haven CT   490J DISH WIRELESS, LLC 920   2024-08-08   
475-365 6 New Haven CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2024-05-31   
475-365 7 New Haven CT   490J DISH WIRELESS, LLC 920   2024-07-11   
475-365 8 New Haven CT   490J DISH WIRELESS, LLC 920   2024-06-16   
475-365 9 New Haven CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2024-06-10   

Last updated: Sun, 18 Aug 2024 23:40:19 UTC

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