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: TCSMAZCHCMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
520-210 6 Tombstone AZ 145J TERRA NOVA TELECOM INC. 668   2024-07-31   
520-264 2 Nogales AZ 145J TERRA NOVA TELECOM INC. 668   2024-08-13   
520-359 5 Tucson AZ 145J TERRA NOVA TELECOM INC. 668   2024-08-13   
520-527 3 Benson AZ 145J TERRA NOVA TELECOM INC. 668   2024-06-26   
520-567 8 Hayden AZ 145J TERRA NOVA TELECOM INC. 668   2024-02-13   
520-569 7 San Manuel AZ 145J TERRA NOVA TELECOM INC. 668   2024-02-13   
520-645 7 Douglas AZ 145J TERRA NOVA TELECOM INC. 668   2024-07-31   
928-387 1 Safford AZ 145J TERRA NOVA TELECOM INC. 668   2024-12-03   
928-473 0 Globe AZ 145J TERRA NOVA TELECOM INC. 668   2024-02-13   
928-487 7 Globe AZ 145J TERRA NOVA TELECOM INC. 668   2024-12-03   
928-900 A Globe AZ 145J TERRA NOVA TELECOM INC. 668      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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