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: 230

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-230 A Flint MI FLNTMINWDS0  9323 MICHIGAN BELL TEL CO 340      
810-230 0 Flint MI FLNTMINWDS0  9323 MICHIGAN BELL TEL CO 340      
810-230 1 Flint MI FLNTMINWDS0  9323 MICHIGAN BELL TEL CO 340      
810-230 2 Flint MI FLNTMINWDS0  9323 MICHIGAN BELL TEL CO 340      
810-230 3 Flint MI FLNTMINWDS0  9323 MICHIGAN BELL TEL CO 340      
810-230 4 Flint MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-04-19   
810-230 5 Flint MI FLNTMINWDS0  9323 MICHIGAN BELL TEL CO 340      
810-230 6 Flint MI FLNTMINWDS0  9323 MICHIGAN BELL TEL CO 340      
810-230 7 Flint MI FLNTMINWDS0  9323 MICHIGAN BELL TEL CO 340      
810-230 8 Flint MI FLNTMINWDS0  9323 MICHIGAN BELL TEL CO 340      
810-230 9 Flint MI FLNTMINWDS0  9323 MICHIGAN BELL TEL CO 340      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.