Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
520-710 2 Tucson AZ 624H ONVOY SPECTRUM, LLC 668   2022-10-10   
520-710 3 Tucson AZ 624H ONVOY SPECTRUM, LLC 668   2022-10-10   
520-710 4 Tucson AZ 624H ONVOY SPECTRUM, LLC 668   2022-10-10   
520-739 A Tucson AZ 624H ONVOY SPECTRUM, LLC 668   2025-01-06   
520-739 0 Tucson AZ 624H ONVOY SPECTRUM, LLC 668   2025-01-06   
520-739 1 Tucson AZ 624H ONVOY SPECTRUM, LLC 668   2025-01-06   
520-739 2 Tucson AZ 624H ONVOY SPECTRUM, LLC 668   2025-01-06   
520-980 3 Nogales AZ 624H ONVOY SPECTRUM, LLC 668   2021-07-25   
928-393 6 Pima AZ 624H ONVOY SPECTRUM, LLC 668   2021-07-25   
928-413 2 Pima AZ 624H ONVOY SPECTRUM, LLC 668   2021-11-01   
928-413 3 Pima AZ 624H ONVOY SPECTRUM, LLC 668   2021-09-27   
928-413 4 Pima AZ 624H ONVOY SPECTRUM, LLC 668   2021-11-01   
928-413 5 Pima AZ 624H ONVOY SPECTRUM, LLC 668   2021-11-01   
928-413 6 Pima AZ 624H ONVOY SPECTRUM, LLC 668   2021-11-01   
928-413 7 Pima AZ 624H ONVOY SPECTRUM, LLC 668   2021-11-01   
928-701 4 Globe AZ 624H ONVOY SPECTRUM, LLC 668   2021-09-27   
928-719 9 Globe AZ 624H ONVOY SPECTRUM, LLC 668   2021-07-25   
928-812 6 Globe AZ 624H ONVOY SPECTRUM, LLC 668   2021-12-11   
928-812 9 Globe AZ 624H ONVOY SPECTRUM, LLC 668   2021-12-11   

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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