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: 370

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-370 A Danbury CT HRFRCT0389Z  490J DISH WIRELESS, LLC 920   2024-07-21   
475-370 0 Danbury CT HRFRCT0389Z  490J DISH WIRELESS, LLC 920   2024-07-21   
475-370 2 Danbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2024-08-27   
475-370 3 Danbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2024-08-27   
475-370 5 Danbury CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2025-02-11   
475-370 7 Danbury CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2025-02-11   
475-370 8 Danbury CT HRFRCTBC2MD  073H TELNYX LLC 920   2024-07-22   
475-370 9 Danbury CT HRFRCTBC2MD  073H TELNYX LLC 920   2024-12-22   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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