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: 324

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-324 A Trumbull CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-324 0 Trumbull CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-02-29   
475-324 1 Trumbull CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-02-29   
475-324 2 Trumbull CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-08-26   
475-324 3 Trumbull CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2024-07-28   
475-324 4 Trumbull CT   5562 METROPCS, INC. 920   2024-10-13   
475-324 6 Trumbull CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2025-01-09   
475-324 7 Trumbull CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-07-12   
475-324 8 Trumbull CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-02-29   
475-324 9 Trumbull CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-07-12   

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

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