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: 442 [Rate centres in NPA 442] [Dial plan for NPA 442]

NXX: 220

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-220 A Mountain Pass CA LNBHCAAXDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 730      
442-220 0 Mountain Pass CA LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730      
442-220 1 Mountain Pass CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
442-220 3 Mountain Pass CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
442-220 4 Mountain Pass CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
442-220 5 Mountain Pass CA   516C AT&T CORP. 730      
442-220 6 Mountain Pass CA LSANCAJW2MD  508J CENTURYLINK COMMUNICATIONS, LLC 730      
442-220 7 Mountain Pass CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
442-220 8 Mountain Pass CA LSANCAJW6MD  073H TELNYX LLC 730      
442-220 9 Mountain Pass CA LNBHCAAXDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 730      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.