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: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-257 A Upland CA RILTCA11DS0  7480 PACIFIC BELL (COMPETITIVE) 730      
909-257 0 Upland CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
909-257 1 Upland CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
909-257 2 Upland CA RILTCA11DS0  7480 PACIFIC BELL (COMPETITIVE) 730      
909-257 3 Upland CA ANHMCAHLDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
909-257 4 Upland CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
909-257 5 Upland CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
909-257 6 Upland CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
909-257 7 Upland CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
909-257 8 Upland CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
909-257 9 Upland CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.