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.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
734-726 A Dexter MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
734-732 A Belleville MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
734-752 A Trenton MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
734-785 A Wyandotte MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
734-786 A Ann Arbor MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-212 A Metamora MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-299 A Brighton MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-320 A Port Huron MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-355 A Brighton MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-356 A Lapeer MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-360 A Brighton MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-369 A Goodrich MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-412 A Davison MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-420 A Marine City MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-433 A Fenton MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-471 A Flint MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-476 A Applegate MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-479 A Port Huron MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-496 A Flint MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-584 A Grand Blanc MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-637 A St Clair MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-692 A Byron MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-696 A Lexington MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-740 A St Clair MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-746 A Hartland MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-881 A Peck MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-892 A Marine City MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-895 A Lapeer MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
947-237 A Birmingham MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      

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Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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