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.

Switch: IRVNCASM1MD

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
909-635 3 Ontario CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-655 2 Diamond Bar CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2015-09-28   
909-657 4 Ontario CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2014-12-25   
909-662 3 Chino CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2014-12-29   
909-667 4 Claremont-San Dimas CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2011-12-12   
909-670 A Claremont-San Dimas CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-670 1 Claremont-San Dimas CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-675 3 Claremont-San Dimas CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2015-03-22   
909-705 4 Mentone CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2012-03-12   
909-713 A Marshall CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-713 0 Marshall CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-713 1 Marshall CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-718 A Diamond Bar CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-718 1 Diamond Bar CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-718 6 Diamond Bar CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-718 7 Diamond Bar CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2007-03-13   
909-718 8 Diamond Bar CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2007-03-13   
909-723 A San Bernardino CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-723 1 San Bernardino CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2005-09-25   
909-744 6 Arrowhead CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2013-09-20   
909-746 A Rialto CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-746 5 Rialto CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-747 A Redlands CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-747 1 Redlands CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-750 A Ontario CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-750 5 Ontario CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2016-09-19   
909-750 6 Ontario CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2016-09-19   
909-750 7 Ontario CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2016-09-19   
909-750 8 Ontario CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2016-09-19   
909-755 2 Upland CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2017-09-09   
909-758 5 Upland CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2003-08-28   
909-763 4 San Bernardino CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2007-03-14   
909-763 5 San Bernardino CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2007-03-14   
909-766 7 Pomona CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2011-11-11   
909-770 8 Fontana CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2000-12-27   
909-784 3 Pomona CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2006-01-05   
909-786 4 Ontario CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2006-06-08   
909-803 1 Etiwanda CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2001-11-26   
909-835 4 Colton CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2007-03-13   
909-843 6 Ontario CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-895 8 Diamond Bar CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2006-09-01   
909-906 5 Ontario CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2014-04-11   
909-907 7 Highland CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2007-12-16   
909-913 5 San Bernardino CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2004-03-09   
909-915 1 San Bernardino CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2001-11-26   
909-922 3 Etiwanda CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2005-11-22   
909-945 8 Upland CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2001-02-15   
909-978 A Diamond Bar CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-993 0 Chino CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2000-12-27   
909-993 5 Chino CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2003-04-23   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 >>

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.