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: 321 [Rate centres in NPA 321] [Dial plan for NPA 321]

NXX: 303

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
321-303 A Winter Park FL WNPKFLXEXNX  6701 AERIAL COMMUNICATIONS, INC. 45808      
321-303 0 Winter Park FL   6701 AERIAL COMMUNICATIONS, INC. 45808      
321-303 1 Winter Park FL WNPKFLXEXEX  899D METROPCS NETWORKS, LLC 45808      
321-303 2 Winter Park FL WNPKFLXEXEX  899D METROPCS NETWORKS, LLC 45808      
321-303 3 Winter Park FL WNPKFLXEXEX  899D METROPCS NETWORKS, LLC 45808      
321-303 4 Winter Park FL WNPKFLXEXEX  899D METROPCS NETWORKS, LLC 45808      
321-303 5 Winter Park FL WNPKFLXEXEX  899D METROPCS NETWORKS, LLC 45808      
321-303 6 Winter Park FL WNPKFLXEXEX  899D METROPCS NETWORKS, LLC 45808      
321-303 7 Winter Park FL WNPKFLXEXEX  899D METROPCS NETWORKS, LLC 45808      
321-303 8 Winter Park FL WNPKFLXEXEX  899D METROPCS NETWORKS, LLC 45808      
321-303 9 Winter Park FL WNPKFLXEXEX  899D METROPCS NETWORKS, LLC 45808      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.