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: 347

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-347 A Barstow: Barstow DA CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
442-347 0 Barstow: Barstow DA CA   515J IP HORIZON LLC 730   2015-09-19   
442-347 1 Barstow: Barstow DA CA VTVLCAXAX5Y  649C ONVOY, LLC - CA 730   2016-02-29   
442-347 2 Barstow: Barstow DA CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2015-11-27   
442-347 3 Barstow: Barstow DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2016-01-16   
442-347 4 Barstow: Barstow DA CA VTVLCAXAX5Y  649C ONVOY, LLC - CA 730   2016-02-29   
442-347 5 Barstow: Barstow DA CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2015-11-23   
442-347 6 Barstow: Barstow DA CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2015-11-23   
442-347 7 Barstow: Barstow DA CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2015-05-29   
442-347 8 Barstow: Barstow DA CA   899D METROPCS NETWORKS, LLC 730   2015-05-29   
442-347 9 Barstow: Barstow DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-09-10   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.