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]

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-900 A Guilford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-946 A Old Greenwich CT HRFRCT03XOX  965H FRACTEL, LLC 920      
475-977 A Stamford CT HRFRCT03XOX  965H FRACTEL, LLC 920      
475-988 A Bridgeport CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
475-999 A Fairfield CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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