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.

Switch: FLNTMIMNDS1

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
810-768 2 Flint MI 9323 MICHIGAN BELL TEL CO 340      
810-768 4 Flint MI 9323 MICHIGAN BELL TEL CO 340      
810-768 5 Flint MI 9323 MICHIGAN BELL TEL CO 340      
810-768 6 Flint MI 9323 MICHIGAN BELL TEL CO 340      
810-768 7 Flint MI 9323 MICHIGAN BELL TEL CO 340      
810-768 9 Flint MI 9323 MICHIGAN BELL TEL CO 340      
810-780 A Flint MI 9323 MICHIGAN BELL TEL CO 340      
810-780 0 Flint MI 9323 MICHIGAN BELL TEL CO 340      
810-780 1 Flint MI 9323 MICHIGAN BELL TEL CO 340      
810-780 2 Flint MI 9323 MICHIGAN BELL TEL CO 340      
810-780 3 Flint MI 9323 MICHIGAN BELL TEL CO 340      
810-780 5 Flint MI 9323 MICHIGAN BELL TEL CO 340      
810-780 6 Flint MI 9323 MICHIGAN BELL TEL CO 340      
810-780 7 Flint MI 9323 MICHIGAN BELL TEL CO 340      
810-780 8 Flint MI 9323 MICHIGAN BELL TEL CO 340      
810-780 9 Flint MI 9323 MICHIGAN BELL TEL CO 340      
810-835 A Flint MI 9323 MICHIGAN BELL TEL CO 340      
810-835 0 Flint MI 9323 MICHIGAN BELL TEL CO 340      

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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