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: 487

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-487 A Crestline CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-487 0 Crestline CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-01-18   
909-487 1 Crestline CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2016-07-17   
909-487 2 Crestline CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2016-07-17   
909-487 3 Crestline CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730   2014-12-01   
909-487 4 Crestline CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2015-06-29   
909-487 5 Crestline CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2016-07-31   
909-487 6 Crestline CA LSANCAJW2MD  508J CENTURYLINK COMMUNICATIONS, LLC 730   2014-06-27   
909-487 7 Crestline CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2013-12-15   
909-487 8 Crestline CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2016-07-31   
909-487 9 Crestline CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2015-04-30   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.