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: 399

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-399 A El Mirage CA LSANCAJWIMD  965H FRACTEL, LLC 730      
442-399 0 El Mirage CA VTVLCAXAX5Y  649C ONVOY, LLC - CA 730      
442-399 1 El Mirage CA VTVLCAXAX5Y  649C ONVOY, LLC - CA 730      
442-399 2 El Mirage CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
442-399 3 El Mirage CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
442-399 4 El Mirage CA   6529 T-MOBILE USA, INC. 730      
442-399 9 El Mirage CA LSANCAJWIMD  965H FRACTEL, LLC 730      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.