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]

NXX: 247

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
645-247 A North Dade FL   515J IP HORIZON LLC 46017   2025-06-08   
645-247 0 North Dade FL   937C ONVOY, LLC - FL 46017   2025-09-05   
645-247 1 North Dade FL   515J IP HORIZON LLC 46017   2025-06-08   
645-247 2 North Dade FL   515J IP HORIZON LLC 46017   2025-06-08   
645-247 3 North Dade FL   937C ONVOY, LLC - FL 46017   2025-11-07   
645-247 4 North Dade FL   937C ONVOY, LLC - FL 46017   2025-11-07   
645-247 5 North Dade FL   937C ONVOY, LLC - FL 46017   2025-11-07   
645-247 8 North Dade FL   937C ONVOY, LLC - FL 46017   2025-09-05   
645-247 9 North Dade FL   937C ONVOY, LLC - FL 46017   2025-09-05   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.