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: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-257 A Norwalk CT NRWLCT02Y0X  425J CSC WIRELESS, LLC 920      
475-257 0 Norwalk CT NRWLCT02Y0X  425J CSC WIRELESS, LLC 920   2019-06-06   
475-257 1 Norwalk CT NRWLCT02Y0X  425J CSC WIRELESS, LLC 920   2019-06-06   
475-257 2 Norwalk CT NRWLCT02Y0X  425J CSC WIRELESS, LLC 920   2019-05-12   
475-257 3 Norwalk CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2019-08-30   
475-257 4 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2019-09-25   
475-257 5 Norwalk CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2019-09-25   
475-257 6 Norwalk CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2019-08-08   
475-257 7 Norwalk CT NRWLCT02Y0X  425J CSC WIRELESS, LLC 920   2019-06-06   
475-257 8 Norwalk CT NRWLCT02Y0X  425J CSC WIRELESS, LLC 920   2019-06-06   
475-257 9 Norwalk CT NRWLCT02Y0X  425J CSC WIRELESS, LLC 920   2019-06-06   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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