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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
656-229 A Tampa Central FL 0051 SHELCOMM 952   2024-11-01   
656-243 A Zephyrhills FL 0051 SHELCOMM 952   2024-11-02   
727-636 A St Petersburg FL 0051 SHELCOMM 952   2024-11-02   
863-369 A Lake Wales FL 0051 SHELCOMM 952   2024-11-02   
941-403 A Sarasota FL 0051 SHELCOMM 952   2024-11-02   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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