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: 622

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-622 A Wolcott CT HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920      
475-622 0 Wolcott CT   515J IP HORIZON LLC 920      
475-622 1 Wolcott CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920      
475-622 2 Wolcott CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920      
475-622 3 Wolcott CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
475-622 5 Wolcott CT HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920      
475-622 8 Wolcott CT   639C ONVOY, LLC - CT 920      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.