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: NGLSAZMARS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
520-285 A Nogales AZ 9636 QWEST CORPORATION 668      
520-285 0 Nogales AZ 9636 QWEST CORPORATION 668      
520-285 2 Nogales AZ 9636 QWEST CORPORATION 668      
520-285 3 Nogales AZ 9636 QWEST CORPORATION 668      
520-285 4 Nogales AZ 9636 QWEST CORPORATION 668      
520-285 5 Nogales AZ 9636 QWEST CORPORATION 668      
520-287 A Nogales AZ 9636 QWEST CORPORATION 668      
520-397 A Nogales AZ 9636 QWEST CORPORATION 668      
520-397 0 Nogales AZ 9636 QWEST CORPORATION 668      
520-397 1 Nogales AZ 9636 QWEST CORPORATION 668      
520-397 2 Nogales AZ 9636 QWEST CORPORATION 668      
520-397 5 Nogales AZ 9636 QWEST CORPORATION 668      
520-397 7 Nogales AZ 9636 QWEST CORPORATION 668      
520-397 8 Nogales AZ 9636 QWEST CORPORATION 668      
520-397 9 Nogales AZ 9636 QWEST CORPORATION 668      
520-988 6 Nogales AZ 9636 QWEST CORPORATION 668      

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

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