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: ATMRALXANMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
251-448 A McCullough AL 624H ONVOY SPECTRUM, LLC 480      
251-449 A Finchburg AL 624H ONVOY SPECTRUM, LLC 480      
251-505 A Frisco City AL 624H ONVOY SPECTRUM, LLC 480      
251-566 A Gosport AL 624H ONVOY SPECTRUM, LLC 480      
251-606 A Pine Apple AL 624H ONVOY SPECTRUM, LLC 480      
251-820 A Atmore AL 624H ONVOY SPECTRUM, LLC 480      
251-830 A Beatrice AL 624H ONVOY SPECTRUM, LLC 480      
251-840 A Excel AL 624H ONVOY SPECTRUM, LLC 480      
251-860 A Huxford AL 624H ONVOY SPECTRUM, LLC 480      
251-870 A Monroeville AL 624H ONVOY SPECTRUM, LLC 480      
251-890 A Repton AL 624H ONVOY SPECTRUM, LLC 480      
850-996 A Walnut Hill FL 624H ONVOY SPECTRUM, LLC 480      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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