Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 475 [Rate centres in NPA 475] [Dial plan for NPA 475]

NXX: 447

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-447 A Byram CT NYCMNY37TMD  624H ONVOY SPECTRUM, LLC 132      
475-447 0 Byram CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132      
475-447 1 Byram CT   639C ONVOY, LLC - CT 132      
475-447 2 Byram CT NYCMNY37TMD  624H ONVOY SPECTRUM, LLC 132      
475-447 3 Byram CT NYCMNY37TMD  624H ONVOY SPECTRUM, LLC 132      
475-447 4 Byram CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132      
475-447 5 Byram CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132      
475-447 6 Byram CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 132      
475-447 7 Byram CT NYCMNY37TMD  624H ONVOY SPECTRUM, LLC 132      
475-447 8 Byram CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132      
475-447 9 Byram CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.