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: MONRUTMARS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
435-527 A Monroe UT 9636 QWEST CORPORATION 660      
435-527 0 Monroe UT 9636 QWEST CORPORATION 660      
435-527 1 Monroe UT 9636 QWEST CORPORATION 660      
435-527 3 Monroe UT 9636 QWEST CORPORATION 660      
435-527 4 Monroe UT 9636 QWEST CORPORATION 660      
435-527 8 Monroe UT 9636 QWEST CORPORATION 660      
435-527 9 Monroe UT 9636 QWEST CORPORATION 660      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.