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: LOGNUTMADS0

Remotes:

Switch Switch name Switch type
HYRMUTMARS1  HYRUM  RSC 
RCMDUTMARS1  RICHMOND  RSC 
SMFDUTMARS1  SMITHFIELD  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
435-713 A Logan UT 9636 QWEST CORPORATION 660      
435-716 A Logan UT 9636 QWEST CORPORATION 660      
435-750 A Logan UT 9636 QWEST CORPORATION 660      
435-752 A Logan UT 9636 QWEST CORPORATION 660      
435-753 A Logan UT 9636 QWEST CORPORATION 660      
435-754 A Logan UT 9636 QWEST CORPORATION 660      
435-755 A Logan UT 9636 QWEST CORPORATION 660      
435-786 A Logan UT 9636 QWEST CORPORATION 660      
435-787 A Logan UT 9636 QWEST CORPORATION 660      
435-792 A Logan UT 9636 QWEST CORPORATION 660      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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