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.

OCN: 2319 FRONTIER CALIFORNIA INC.

<< 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 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA Eff date Disc date Map
909-465 9 Chino CA   730      
909-466 A Upland CA CCMNCAXF98K  730     map
909-467 A Ontario CA ONTRCAXF98K  730     map
909-467 0 Ontario CA   730      
909-467 1 Ontario CA   730      
909-467 2 Ontario CA   730      
909-467 3 Ontario CA   730      
909-467 4 Ontario CA   730      
909-467 5 Ontario CA   730      
909-467 7 Ontario CA   730      
909-468 A Diamond Bar CA WLNTCAXFDS0  730     map
909-469 A Pomona CA POMNCAXF62E  730     map
909-473 A Marshall CA MSCYCAXF88K  730     map
909-473 0 Marshall CA   730      
909-473 1 Marshall CA   730      
909-473 2 Marshall CA   730      
909-473 3 Marshall CA   730      
909-473 6 Marshall CA   730      
909-473 7 Marshall CA   730      
909-473 8 Marshall CA   730      
909-473 9 Marshall CA   730      
909-474 A Marshall CA RDLDCAXF79K  730     map
909-474 0 Marshall CA   730      
909-475 A Marshall CA SNBRCAXH88K  730     map
909-475 1 Marshall CA   730      
909-475 2 Marshall CA   730      
909-475 5 Marshall CA   730      
909-475 8 Marshall CA   730      
909-475 9 Marshall CA   730      
909-476 A Upland CA CCMNCAXFDS1  730     map
909-477 A Upland CA CCMNCAXF98K  730     map
909-477 2 Upland CA   730      
909-477 3 Upland CA   730      
909-477 4 Upland CA   730      
909-477 5 Upland CA   730      
909-477 6 Upland CA   730      
909-477 8 Upland CA   730      
909-478 A Redlands CA LMLNCAXF79L  730     map
909-478 0 Redlands CA   730      
909-478 1 Redlands CA   730      
909-478 3 Redlands CA   730      
909-478 5 Redlands CA   730      
909-478 6 Redlands CA   730      
909-478 7 Redlands CA   730      
909-478 9 Redlands CA   730      
909-480 A Claremont-San Dimas CA WLNTCAXFDS0  730     map
909-480 0 Claremont-San Dimas CA   730      
909-481 A Upland CA CCMNCAXFDS1  730     map
909-482 A Claremont-San Dimas CA CLMTCAXF62G  730     map
909-483 A Upland CA CCMNCAXF98K  730     map

<< 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 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 >>

Last updated: Sun, 12 Nov 2017 02:06:07 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.