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: 310 [Rate centres in NPA 310] [Dial plan for NPA 310]

NXX: 579

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-579 A Malibu CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
310-579 0 Malibu CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730      
310-579 1 Malibu CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
310-579 2 Malibu CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
310-579 3 Malibu CA AGORCA11DS0  7480 PACIFIC BELL (COMPETITIVE) 730      
310-579 4 Malibu CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730      
310-579 5 Malibu CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
310-579 6 Malibu CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730      
310-579 7 Malibu CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
310-579 8 Malibu CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
310-579 9 Malibu CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.