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: 348

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-348 A Diamond Bar CA RVSDCAMLDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-348 0 Diamond Bar CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-348 1 Diamond Bar CA RVSDCAMLDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-348 2 Diamond Bar CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
909-348 3 Diamond Bar CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
909-348 4 Diamond Bar CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
909-348 5 Diamond Bar CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-348 6 Diamond Bar CA RILTCA11DS0  7480 PACIFIC BELL (COMPETITIVE) 730      
909-348 7 Diamond Bar CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
909-348 8 Diamond Bar CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
909-348 9 Diamond Bar CA LSAJCAWZ7MD  4733 PAETEC COMMUNICATIONS, INC. - CA 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.