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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
909-974 5 Ontario CA ONTRCAXMDS0  730      
909-974 6 Ontario CA ONTRCAXMDS0  730      
909-975 A Ontario CA ONTRCAXMDS0  730      
909-975 3 Ontario CA ONTRCAXMDS0  730      
909-975 4 Ontario CA ONTRCAXMDS0  730      
909-975 5 Ontario CA ONTRCAXMDS0  730      
909-975 6 Ontario CA ONTRCAXMDS0  730      
909-975 7 Ontario CA ONTRCAXMDS0  730      
909-979 A Diamond Bar CA WLNTCAXFDS0  730      
909-980 A Upland CA CCMNCAXFDS1  730      
909-981 A Upland CA UPLDCAXF98G  730      
909-982 A Upland CA UPLDCAXF98G  730      
909-983 A Ontario CA ONTRCAXF98K  730      
909-984 A Ontario CA ONTRCAXF98K  730      
909-985 A Upland CA UPLDCAXF98G  730      
909-986 A Ontario CA ONTRCAXF98K  730      
909-987 A Upland CA CCMNCAXFDS1  730      
909-988 A Ontario CA ONTRCAXF98K  730      
909-989 A Upland CA CCMNCAXF98K  730      
949-371 A Laguna Beach CA LGBHCAXF49K  730      
949-371 0 Laguna Beach CA LGBHCAXF49K  730      
949-376 A Laguna Beach CA LGBHCAXF49K  730      
949-415 A Laguna Beach CA SLGBCAXFRS3  730      
949-415 0 Laguna Beach CA SLGBCAXFRS3  730      
949-415 1 Laguna Beach CA SLGBCAXFRS3  730      
949-464 A Laguna Beach CA LGBHCAXF49K  730      
949-464 0 Laguna Beach CA LGBHCAXF49K  730      
949-464 1 Laguna Beach CA LGBHCAXF49K  730      
949-464 2 Laguna Beach CA LGBHCAXF49K  730      
949-464 3 Laguna Beach CA LGBHCAXF49K  730      
949-464 6 Laguna Beach CA LGBHCAXF49K  730      
949-464 9 Laguna Beach CA LGBHCAXF49K  730      
949-494 A Laguna Beach CA LGBHCAXF49K  730      
949-497 A Laguna Beach CA LGBHCAXF49K  730      
949-499 A Laguna Beach CA SLGBCAXFRS3  730      
951-223 A Hemet: Homeland DA CA HMLDCAXFRP0  730      
951-223 2 Hemet: Homeland DA CA HMLDCAXFRP0  730   2007-04-08   
951-238 3 Perris CA PERSCAXF65X  730   2008-02-10   
951-240 4 Temecula CA TMCLCAXHPSA  730   2006-09-22   
951-242 A Moreno CA SNYMCAXF92F  730      
951-243 A Moreno CA SNYMCAXF92F  730      
951-243 0 Moreno CA SNYMCAXF92F  730      
951-243 1 Moreno CA SNYMCAXF92F  730      
951-243 2 Moreno CA SNYMCAXF92F  730      
951-243 3 Moreno CA SNYMCAXF92F  730      
951-243 5 Moreno CA SNYMCAXF92F  730      
951-243 6 Moreno CA SNYMCAXF92F  730      
951-243 7 Moreno CA SNYMCAXF92F  730      
951-243 8 Moreno CA SNYMCAXF92F  730      
951-243 9 Moreno CA SNYMCAXF92F  730      

<< 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 >>

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.