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: TCSNAZFWDS0

Remotes:

Switch Switch name Switch type
MARNAZ02RS1  MARANA WEST  RSC 
MARNAZ03RS1  MARANA SOUTH  RSC 
MARNAZMARS1  MARANA  RSC 
TCSNAZWERS1  TUCSON WEST  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
520-292 A Tucson AZ 9636 QWEST CORPORATION 668      
520-293 A Tucson AZ 9636 QWEST CORPORATION 668      
520-407 A Tucson AZ 9636 QWEST CORPORATION 668      
520-407 0 Tucson AZ 9636 QWEST CORPORATION 668      
520-407 1 Tucson AZ 9636 QWEST CORPORATION 668      
520-407 2 Tucson AZ 9636 QWEST CORPORATION 668      
520-407 3 Tucson AZ 9636 QWEST CORPORATION 668      
520-407 4 Tucson AZ 9636 QWEST CORPORATION 668      
520-407 7 Tucson AZ 9636 QWEST CORPORATION 668      
520-407 8 Tucson AZ 9636 QWEST CORPORATION 668      
520-407 9 Tucson AZ 9636 QWEST CORPORATION 668      
520-408 A Tucson AZ 9636 QWEST CORPORATION 668      
520-665 3 Tucson AZ 9636 QWEST CORPORATION 668      
520-665 4 Tucson AZ 9636 QWEST CORPORATION 668      
520-690 A Tucson AZ 9636 QWEST CORPORATION 668      
520-696 A Tucson AZ 9636 QWEST CORPORATION 668      
520-887 A Tucson AZ 9636 QWEST CORPORATION 668      
520-888 A Tucson AZ 9636 QWEST CORPORATION 668      

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

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