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.
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Switch: TULSOKTBXXZ

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
918-627 9 Tulsa OK 624H ONVOY SPECTRUM, LLC 538   2024-10-15   
918-679 2 Claremore OK 624H ONVOY SPECTRUM, LLC 538   2025-01-23   
918-727 1 Tulsa OK 624H ONVOY SPECTRUM, LLC 538   2023-09-16   
918-780 9 Tulsa OK 624H ONVOY SPECTRUM, LLC 538   2023-09-16   
918-800 7 Catoosa OK 624H ONVOY SPECTRUM, LLC 538   2025-01-23   
918-805 8 Tulsa OK 624H ONVOY SPECTRUM, LLC 538   2024-10-15   
918-827 8 Mounds OK 624H ONVOY SPECTRUM, LLC 538   2025-01-23   
918-838 9 Tulsa OK 624H ONVOY SPECTRUM, LLC 538   2023-09-16   
918-870 A Jenks OK 624H ONVOY SPECTRUM, LLC 538   2025-02-20   
918-870 0 Jenks OK 624H ONVOY SPECTRUM, LLC 538   2025-02-20   
918-870 1 Jenks OK 624H ONVOY SPECTRUM, LLC 538   2025-02-20   
918-901 6 Tulsa OK 624H ONVOY SPECTRUM, LLC 538   2023-09-16   
918-922 5 Tulsa OK 624H ONVOY SPECTRUM, LLC 538   2023-09-16   
918-922 6 Tulsa OK 624H ONVOY SPECTRUM, LLC 538   2023-09-16   
918-953 1 Adair OK 624H ONVOY SPECTRUM, LLC 538   2025-01-23   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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