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: 288

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-288 A Claremont-San Dimas CA SNANCALWDS1  7262 XO CALIFORNIA, INC. 730      
909-288 0 Claremont-San Dimas CA SNANCALWDS1  7262 XO CALIFORNIA, INC. 730   2011-01-17   
909-288 1 Claremont-San Dimas CA SNANCALWDS1  7262 XO CALIFORNIA, INC. 730   2011-01-17   
909-288 2 Claremont-San Dimas CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-08-11   
909-288 3 Claremont-San Dimas CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-05-08   
909-288 4 Claremont-San Dimas CA COVNCAXFX3Y  649C ONVOY, LLC - CA 730   2017-06-15   
909-288 5 Claremont-San Dimas CA SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2017-11-02   
909-288 6 Claremont-San Dimas CA COVNCAXFXUX  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2018-04-29   
909-288 7 Claremont-San Dimas CA COVNCAXFXUX  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2018-09-21   
909-288 8 Claremont-San Dimas CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2019-05-12   
909-288 9 Claremont-San Dimas CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2019-04-12   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.