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: ONTRCAXF98K

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
909-391 A Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-395 A Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-395 0 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-395 1 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-395 2 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-395 3 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-395 4 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-395 5 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-395 8 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-395 9 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-458 A Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-458 1 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-458 2 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-458 3 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-458 4 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-458 5 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-458 9 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-459 A Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-459 0 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-459 1 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-459 2 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-459 5 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-459 6 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-459 7 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-459 8 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-460 A Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-460 0 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-460 1 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-460 2 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-460 3 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-460 4 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-460 5 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-460 6 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-460 7 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-460 9 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-467 A Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-467 0 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-467 1 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-467 2 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-467 3 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-467 4 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-467 5 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-921 A Upland CA 2319 FRONTIER CALIFORNIA INC. 730      
909-921 0 Upland CA 2319 FRONTIER CALIFORNIA INC. 730      
909-933 1 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-933 2 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-933 3 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-933 5 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-933 6 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-933 7 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-933 8 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-933 9 Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-983 A Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-984 A Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-986 A Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      
909-988 A Ontario CA 2319 FRONTIER CALIFORNIA INC. 730      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.