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: BLYTCAXF92K

Remotes:

Switch Switch name Switch type
CIBLAZXCRL0  CIBOLA  SLC5 
EHRNAZXFRS1  EHRENBERG  RSC 
PLVRCAXFRS1  PALO VERDE  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
760-921 A Blythe CA 863F FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - CA 730      
760-921 1 Blythe CA 863F FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - CA 730      
760-921 2 Blythe CA 863F FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - CA 730      
760-921 3 Blythe CA 863F FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - CA 730      
760-921 4 Blythe CA 863F FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - CA 730      
760-921 5 Blythe CA 863F FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - CA 730      
760-921 6 Blythe CA 863F FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - CA 730      
760-921 7 Blythe CA 863F FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - CA 730      
760-921 8 Blythe CA 863F FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - CA 730      
760-921 9 Blythe CA 863F FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - CA 730      
760-922 A Blythe CA 863F FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - CA 730      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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