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: 360

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-360 A Newtown CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-04-07   
475-360 0 Newtown CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-04-07   
475-360 1 Newtown CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-04-07   
475-360 7 Newtown CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2025-02-19   
475-360 8 Newtown CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-11-07   
475-360 9 Newtown CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2025-02-19   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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