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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NPA: 850 [Rate centres in NPA 850] [Dial plan for NPA 850]

NXX: 975

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
850-975 A Graceville FL   937C ONVOY, LLC - FL 45009   2021-07-15   
850-975 0 Graceville FL   937C ONVOY, LLC - FL 45009   2021-07-15   
850-975 1 Graceville FL   937C ONVOY, LLC - FL 45009   2021-07-15   
850-975 2 Graceville FL   937C ONVOY, LLC - FL 45009   2021-07-15   

Last updated: Fri, 23 Jul 2021 12:43:22 UTC

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