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: 422

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-422 A Shoshone CA LSANCAJWIMD  965H FRACTEL LLC 730      
442-422 2 Shoshone CA LSANCAJWIMD  965H FRACTEL LLC 730   2020-07-27   
442-422 4 Shoshone CA LSANCA03JMD  506J TWILIO INTERNATIONAL INC 730   2020-10-20   
442-422 7 Shoshone CA LSANCAJWJMD  516J TON80 COMMUNICATIONS LLC 730   2021-06-28   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.