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: 274

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-274 A Guilford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-274 0 Guilford CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2020-09-13   
475-274 2 Guilford CT   506J TWILIO INTERNATIONAL INC 920   2021-03-28   
475-274 6 Guilford CT   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920   2021-01-04   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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