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: DELTUTXCDS0

Remotes:

Switch Switch name Switch type
LYNDUTXCRS1  LYNNDYL  1RC 
OKCYUTXCRS1  OAK CITY  1RC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
435-864 A Delta UT 4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      
435-864 0 Delta UT 4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      
435-864 1 Delta UT 4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      
435-864 2 Delta UT 4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      
435-864 3 Delta UT 4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      
435-864 4 Delta UT 4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      
435-864 5 Delta UT 4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      
435-864 6 Delta UT 4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      
435-864 9 Delta UT 4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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