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: 277

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-277 A San Bernardino CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730      
909-277 0 San Bernardino CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2010-03-06   
909-277 1 San Bernardino CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2010-03-06   
909-277 2 San Bernardino CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2010-03-09   
909-277 3 San Bernardino CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2010-03-11   
909-277 4 San Bernardino CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2010-03-21   
909-277 5 San Bernardino CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2010-03-21   
909-277 6 San Bernardino CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-07-04   
909-277 7 San Bernardino CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-11-14   
909-277 8 San Bernardino CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2010-07-02   
909-277 9 San Bernardino CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-12-10   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.