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: 303

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-303 A Greenwich CT NYCMNY13XJX  478J NUSO, LLC 132      
475-303 0 Greenwich CT NYCMNY37TMD  624H ONVOY SPECTRUM, LLC 132   2022-01-07   
475-303 1 Greenwich CT NYCMNY13XJX  478J NUSO, LLC 132   2020-11-02   
475-303 2 Greenwich CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2021-08-08   
475-303 3 Greenwich CT WHPLNYWPXOY  199F BANDWIDTH.COM CLEC, LLC - CT 132   2023-05-08   
475-303 4 Greenwich CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2021-02-06   
475-303 5 Greenwich CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2021-02-06   
475-303 6 Greenwich CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2021-02-06   
475-303 7 Greenwich CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2021-02-06   
475-303 8 Greenwich CT NYCMNY37TMD  624H ONVOY SPECTRUM, LLC 132   2021-04-16   
475-303 9 Greenwich CT NYCMNY37TMD  624H ONVOY SPECTRUM, LLC 132   2022-02-13   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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