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: 557

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-557 A Waterbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
475-557 0 Waterbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-08-20   
475-557 1 Waterbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2019-02-28   
475-557 2 Waterbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-06-14   
475-557 3 Waterbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-06-14   
475-557 4 Waterbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-08-20   
475-557 5 Waterbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2020-06-05   
475-557 6 Waterbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2020-09-12   
475-557 7 Waterbury CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2019-01-26   
475-557 8 Waterbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-03-30   
475-557 9 Waterbury CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-03-30   

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

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