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: TCSNAZMADS1

Remotes:

Switch Switch name Switch type
TCSNAZMLRS2  MOUNT LEMMON  5ER 

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
520-775 4 Tucson AZ 9636 QWEST CORPORATION 668      
520-775 5 Tucson AZ 9636 QWEST CORPORATION 668      
520-775 6 Tucson AZ 9636 QWEST CORPORATION 668      
520-775 7 Tucson AZ 9636 QWEST CORPORATION 668      
520-775 8 Tucson AZ 9636 QWEST CORPORATION 668      
520-775 9 Tucson AZ 9636 QWEST CORPORATION 668      
520-791 A Tucson AZ 9636 QWEST CORPORATION 668      
520-792 A Tucson AZ 9636 QWEST CORPORATION 668      
520-798 A Tucson AZ 9636 QWEST CORPORATION 668      
520-837 2 Tucson AZ 9636 QWEST CORPORATION 668      
520-837 3 Tucson AZ 9636 QWEST CORPORATION 668      
520-837 4 Tucson AZ 9636 QWEST CORPORATION 668      
520-837 5 Tucson AZ 9636 QWEST CORPORATION 668      
520-837 6 Tucson AZ 9636 QWEST CORPORATION 668      
520-837 7 Tucson AZ 9636 QWEST CORPORATION 668      
520-837 8 Tucson AZ 9636 QWEST CORPORATION 668      
520-838 A Tucson AZ 9636 QWEST CORPORATION 668      
520-838 2 Tucson AZ 9636 QWEST CORPORATION 668      
520-838 3 Tucson AZ 9636 QWEST CORPORATION 668      
520-838 5 Tucson AZ 9636 QWEST CORPORATION 668      
520-838 6 Tucson AZ 9636 QWEST CORPORATION 668      
520-838 7 Tucson AZ 9636 QWEST CORPORATION 668      
520-872 A Tucson AZ 9636 QWEST CORPORATION 668      
520-879 A Tucson AZ 9636 QWEST CORPORATION 668      
520-880 A Tucson AZ 9636 QWEST CORPORATION 668      
520-882 A Tucson AZ 9636 QWEST CORPORATION 668      
520-884 A Tucson AZ 9636 QWEST CORPORATION 668      
520-903 A Tucson AZ 9636 QWEST CORPORATION 668      
520-903 0 Tucson AZ 9636 QWEST CORPORATION 668      
520-903 1 Tucson AZ 9636 QWEST CORPORATION 668      
520-903 2 Tucson AZ 9636 QWEST CORPORATION 668      
520-903 3 Tucson AZ 9636 QWEST CORPORATION 668      
520-903 5 Tucson AZ 9636 QWEST CORPORATION 668      
520-903 6 Tucson AZ 9636 QWEST CORPORATION 668      
520-903 9 Tucson AZ 9636 QWEST CORPORATION 668      

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

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