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.

NPA: 645 [Rate centres in NPA 645] [Dial plan for NPA 645]

<< 1 2 3 4 5 6 7 8

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
645-999 9 Perrine FL   704G WIDE VOICE, LLC - FL 46017   2024-01-04   

<< 1 2 3 4 5 6 7 8

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.