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.
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OCN: 2319 FRONTIER CALIFORNIA INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA Eff date Disc date Map
909-612 2 Diamond Bar CA   730      
909-612 3 Diamond Bar CA   730      
909-612 4 Diamond Bar CA   730      
909-612 5 Diamond Bar CA   730      
909-612 6 Diamond Bar CA   730      
909-613 A Chino CA CHNOCAXF62J  730     map
909-614 A Chino CA WLNTCAXFDS0  730     map
909-614 0 Chino CA   730      
909-614 1 Chino CA   730      
909-620 A Pomona CA POMNCAXF62E  730     map
909-621 A Claremont-San Dimas CA CLMTCAXF62G  730     map
909-622 A Pomona CA POMNCAXF62E  730     map
909-623 A Pomona CA POMNCAXF62E  730     map
909-624 A Claremont-San Dimas CA CLMTCAXF62G  730     map
909-625 A Claremont-San Dimas CA CLMTCAXF62G  730     map
909-626 A Claremont-San Dimas CA CLMTCAXF62G  730     map
909-627 A Chino CA CHNOCAXF62J  730     map
909-628 A Chino CA CHNOCAXF62J  730     map
909-629 A Pomona CA POMNCAXF62E  730     map
909-630 A Pomona CA WLNTCAXFDS0  730     map
909-630 0 Pomona CA   730      
909-630 7 Pomona CA   730      
909-646 7 Etiwanda CA   730 2004-09-19     
909-646 8 Etiwanda CA   730 2004-06-13     
909-646 9 Etiwanda CA   730 2003-10-07     
909-652 6 Upland CA   730 2006-06-01     
909-652 7 Upland CA   730 2006-06-01     
909-652 8 Upland CA   730 2006-06-01     
909-658 0 San Bernardino CA   730 2007-03-08     
909-658 1 San Bernardino CA   730 2007-03-08     
909-658 2 San Bernardino CA   730 2007-03-08     
909-658 3 San Bernardino CA   730 2007-03-08     
909-673 A Ontario CA ONTRCAXG94L  730     map
909-703 6 Chino CA   730 2010-04-01     
909-724 2 Ontario CA   730 2003-01-05     
909-724 3 Ontario CA   730 2003-01-05     
909-724 5 Ontario CA   730 2003-01-05     
909-724 6 Ontario CA   730 2003-01-05     
909-724 7 Ontario CA   730 2003-01-05     
909-748 A Redlands CA RDLDCAXF79K  730     map
909-748 0 Redlands CA   730      
909-748 2 Redlands CA   730      
909-748 3 Redlands CA   730      
909-748 4 Redlands CA   730      
909-748 6 Redlands CA   730      
909-748 7 Redlands CA   730      
909-748 8 Redlands CA   730 2005-09-12     
909-758 A Upland CA CCMNCAXFDS1  730     map
909-758 9 Upland CA   730      
909-773 A Ontario CA ONTRCAXG94L  730     map

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Last updated: Sun, 04 Feb 2018 02:08:19 UTC

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