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: 385

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-385 A Stamford CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2025-02-22   
475-385 0 Stamford CT   732J NUSO, LLC 920   2025-02-24   
475-385 1 Stamford CT   732J NUSO, LLC 920   2025-02-24   
475-385 8 Stamford CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2025-02-22   
475-385 9 Stamford CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2025-02-22   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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