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: 386

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-386 A Trumbull CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2025-03-24   
475-386 0 Trumbull CT   639C ONVOY, LLC - CT 920   2025-03-25   
475-386 6 Trumbull CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2025-03-24   
475-386 7 Trumbull CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2025-03-24   
475-386 8 Trumbull CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2025-03-24   
475-386 9 Trumbull CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2025-03-24   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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