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: 909 [Rate centres in NPA 909] [Dial plan for NPA 909]

NXX: 344

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-344 A Claremont-San Dimas CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
909-344 0 Claremont-San Dimas CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
909-344 1 Claremont-San Dimas CA LSANCAJW2MD  508J CENTURYLINK COMMUNICATIONS, LLC 730      
909-344 2 Claremont-San Dimas CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
909-344 3 Claremont-San Dimas CA LSANCAJW6MD  073H TELNYX LLC 730      
909-344 4 Claremont-San Dimas CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
909-344 5 Claremont-San Dimas CA COVNCAXFX3Y  649C ONVOY, LLC - CA 730      
909-344 6 Claremont-San Dimas CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
909-344 7 Claremont-San Dimas CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
909-344 8 Claremont-San Dimas CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
909-344 9 Claremont-San Dimas CA   6529 T-MOBILE USA, INC. 730      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.