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: 276

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-276 A Stamford CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-276 0 Stamford CT   939H COMMIO, LLC 920   2021-08-28   
475-276 1 Stamford CT   939H COMMIO, LLC 920   2021-08-28   
475-276 2 Stamford CT   939H COMMIO, LLC 920   2021-08-28   
475-276 3 Stamford CT   939H COMMIO, LLC 920   2021-08-28   
475-276 4 Stamford CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-10-08   
475-276 5 Stamford CT   624H ONVOY SPECTRUM, LLC 920   2021-11-15   
475-276 6 Stamford CT   624H ONVOY SPECTRUM, LLC 920   2021-11-15   
475-276 7 Stamford CT   624H ONVOY SPECTRUM, LLC 920   2021-11-15   
475-276 8 Stamford CT   939H COMMIO, LLC 920   2021-08-28   
475-276 9 Stamford CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-08-16   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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