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: PHNXAZBWDS0

Remotes:

Switch Switch name Switch type
WHTKAZMARS2  WHITE TANKS  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
623-633 8 Phoenix AZ 9636 QWEST CORPORATION 666   2015-03-20   
623-772 A Phoenix AZ 9636 QWEST CORPORATION 666      
623-872 A Phoenix AZ 9636 QWEST CORPORATION 666      
623-877 A Phoenix AZ 9636 QWEST CORPORATION 666      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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