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: 675

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-675 A Seymour CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-675 0 Seymour CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2013-03-31   
475-675 1 Seymour CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2015-05-08   
475-675 2 Seymour CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2014-09-10   
475-675 3 Seymour CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-06-29   
475-675 4 Seymour CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2021-09-30   
475-675 5 Seymour CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2014-03-17   
475-675 6 Seymour CT HRFRCT03HMD  073H TELNYX LLC 920   2018-05-02   
475-675 7 Seymour CT NWLNCTCS6MD  508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-16   
475-675 8 Seymour CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-04-29   
475-675 9 Seymour CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-04-29   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.