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: 859

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-859 A Diamond Bar CA RILTCA11DS0  7480 PACIFIC BELL (COMPETITIVE) 730      
909-859 0 Diamond Bar CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
909-859 1 Diamond Bar CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
909-859 2 Diamond Bar CA RILTCA11DS0  7480 PACIFIC BELL (COMPETITIVE) 730      
909-859 3 Diamond Bar CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
909-859 4 Diamond Bar CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
909-859 5 Diamond Bar CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
909-859 6 Diamond Bar CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
909-859 7 Diamond Bar CA RILTCA11DS0  7480 PACIFIC BELL (COMPETITIVE) 730      
909-859 8 Diamond Bar CA RILTCA11DS0  7480 PACIFIC BELL (COMPETITIVE) 730      
909-859 9 Diamond Bar CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.