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: LNCSCAXG94K

Remotes:

Switch Switch name Switch type
LKHGCAXFRS1  LAKE HUGHES  GTR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
661-723 A Lancaster CA 2319 FRONTIER CALIFORNIA INC. 730      
661-726 A Lancaster CA 2319 FRONTIER CALIFORNIA INC. 730      
661-728 A Lancaster CA 2319 FRONTIER CALIFORNIA INC. 730      
661-728 0 Lancaster CA 2319 FRONTIER CALIFORNIA INC. 730      
661-728 2 Lancaster CA 2319 FRONTIER CALIFORNIA INC. 730      
661-728 3 Lancaster CA 2319 FRONTIER CALIFORNIA INC. 730      
661-728 4 Lancaster CA 2319 FRONTIER CALIFORNIA INC. 730      
661-728 9 Lancaster CA 2319 FRONTIER CALIFORNIA INC. 730      
661-729 A Lancaster CA 2319 FRONTIER CALIFORNIA INC. 730      
661-940 A Lancaster CA 2319 FRONTIER CALIFORNIA INC. 730      
661-942 A Lancaster CA 2319 FRONTIER CALIFORNIA INC. 730      
661-945 A Lancaster CA 2319 FRONTIER CALIFORNIA INC. 730      
661-948 A Lancaster CA 2319 FRONTIER CALIFORNIA INC. 730      
661-949 A Lancaster CA 2319 FRONTIER CALIFORNIA INC. 730      
661-949 0 Lancaster CA 2319 FRONTIER CALIFORNIA INC. 730      
661-949 1 Lancaster CA 2319 FRONTIER CALIFORNIA INC. 730      
661-949 2 Lancaster CA 2319 FRONTIER CALIFORNIA INC. 730      
661-949 3 Lancaster CA 2319 FRONTIER CALIFORNIA INC. 730      
661-949 6 Lancaster CA 2319 FRONTIER CALIFORNIA INC. 730      
661-949 7 Lancaster CA 2319 FRONTIER CALIFORNIA INC. 730      
661-949 8 Lancaster CA 2319 FRONTIER CALIFORNIA INC. 730      
661-949 9 Lancaster CA 2319 FRONTIER CALIFORNIA INC. 730      
661-951 A Lancaster CA 2319 FRONTIER CALIFORNIA INC. 730      

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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