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: 220

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
645-220 A Miami FL   937C ONVOY, LLC - FL 46017   2024-07-28   
645-220 0 Miami FL   937C ONVOY, LLC - FL 46017      
645-220 1 Miami FL   937C ONVOY, LLC - FL 46017      
645-220 2 Miami FL   937C ONVOY, LLC - FL 46017      
645-220 3 Miami FL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46017      
645-220 4 Miami FL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46017      
645-220 5 Miami FL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46017      
645-220 6 Miami FL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46017      
645-220 7 Miami FL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46017      
645-220 8 Miami FL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46017      
645-220 9 Miami FL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46017      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.