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: SGNWMIECXQX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-202 A Houghton Lake MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-262 A Frankenmuth MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-282 A Fairgrove MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-285 A Alma MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-301 A Hemlock MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-303 A St Louis MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-319 A Durand MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-398 A Elsie MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-414 A Bay City MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-448 A Gaylord MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-474 A Rogers City MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-481 A Breckenridge MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-488 A Midland MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-494 A Owosso MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-515 A Onaway MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-533 A Alma MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-546 A Mount Pleasant MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-567 A Shepherd MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-569 A Oscoda MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-607 A Saginaw MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-625 A Freeland MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-632 A St Helen MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-715 A Merrill MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-726 A West Branch MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-769 A Ovid MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-789 A Marlette MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-796 A Alma MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-816 A Elsie MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-882 A Vassar MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-884 A Alpena MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-941 A Midland MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-945 A Ovid MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-966 A Vanderbilt MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      

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

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