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: DRVYAZNODS0

Remotes:

Switch Switch name Switch type
BLCNAZMARS1  BLACK CANYON  5E 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
623-207 0 Phoenix AZ 9636 QWEST CORPORATION 666   2008-07-13   
623-207 2 Phoenix AZ 9636 QWEST CORPORATION 666   2008-08-01   
623-234 A Phoenix AZ 9636 QWEST CORPORATION 666      
623-234 5 Phoenix AZ 9636 QWEST CORPORATION 666   2008-01-30   
623-234 6 Phoenix AZ 9636 QWEST CORPORATION 666   2008-01-30   
623-234 7 Phoenix AZ 9636 QWEST CORPORATION 666   2008-01-30   
623-236 7 Phoenix AZ 9636 QWEST CORPORATION 666   2007-07-09   
623-238 7 Phoenix AZ 9636 QWEST CORPORATION 666   2006-11-06   
623-241 8 Phoenix AZ 9636 QWEST CORPORATION 666   2007-05-24   
623-388 8 Phoenix AZ 9636 QWEST CORPORATION 666      
623-434 A Phoenix AZ 9636 QWEST CORPORATION 666      
623-445 A Phoenix AZ 9636 QWEST CORPORATION 666      
623-445 0 Phoenix AZ 9636 QWEST CORPORATION 666      
623-445 2 Phoenix AZ 9636 QWEST CORPORATION 666      
623-445 3 Phoenix AZ 9636 QWEST CORPORATION 666      
623-445 4 Phoenix AZ 9636 QWEST CORPORATION 666      
623-445 5 Phoenix AZ 9636 QWEST CORPORATION 666      
623-445 6 Phoenix AZ 9636 QWEST CORPORATION 666      
623-445 7 Phoenix AZ 9636 QWEST CORPORATION 666      
623-445 8 Phoenix AZ 9636 QWEST CORPORATION 666      
623-445 9 Phoenix AZ 9636 QWEST CORPORATION 666      
623-466 1 Phoenix AZ 9636 QWEST CORPORATION 666   2003-12-08   
623-492 A Phoenix AZ 9636 QWEST CORPORATION 666      
623-516 A Phoenix AZ 9636 QWEST CORPORATION 666      
623-547 8 Phoenix AZ 9636 QWEST CORPORATION 666      
623-551 A Phoenix AZ 9636 QWEST CORPORATION 666      
623-580 A Phoenix AZ 9636 QWEST CORPORATION 666      
623-581 A Phoenix AZ 9636 QWEST CORPORATION 666      
623-582 A Phoenix AZ 9636 QWEST CORPORATION 666      
623-587 A Phoenix AZ 9636 QWEST CORPORATION 666      
623-780 A Phoenix AZ 9636 QWEST CORPORATION 666      
623-869 A Phoenix AZ 9636 QWEST CORPORATION 666      
623-879 A Phoenix AZ 9636 QWEST CORPORATION 666      
623-879 0 Phoenix AZ 9636 QWEST CORPORATION 666      
623-879 1 Phoenix AZ 9636 QWEST CORPORATION 666      
623-879 3 Phoenix AZ 9636 QWEST CORPORATION 666      
623-879 4 Phoenix AZ 9636 QWEST CORPORATION 666      
623-879 5 Phoenix AZ 9636 QWEST CORPORATION 666      
623-879 6 Phoenix AZ 9636 QWEST CORPORATION 666      
623-879 7 Phoenix AZ 9636 QWEST CORPORATION 666      
623-879 8 Phoenix AZ 9636 QWEST CORPORATION 666      
623-879 9 Phoenix AZ 9636 QWEST CORPORATION 666      
623-888 7 Phoenix AZ 9636 QWEST CORPORATION 666   2012-10-01   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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