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: 810 [Rate centres in NPA 810] [Dial plan for NPA 810]

NXX: 309

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-309 A Flint MI   543C ONVOY, LLCV - MI 340   2025-01-12   
810-309 0 Flint MI   543C ONVOY, LLCV - MI 340      
810-309 1 Flint MI   543C ONVOY, LLCV - MI 340      
810-309 2 Flint MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
810-309 3 Flint MI   145J TERRA NOVA TELECOM INC. 340      
810-309 4 Flint MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
810-309 5 Flint MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
810-309 6 Flint MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
810-309 7 Flint MI LIVNMIUX0MD  5562 METROPCS, INC. 340      
810-309 8 Flint MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
810-309 9 Flint MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.