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: SGNWMIACEMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-468 A Alma MI 516J TON80 COMMUNICATIONS, LLC 344      
989-566 A Mayville MI 516J TON80 COMMUNICATIONS, LLC 344      
989-639 A Grace Harbor MI 516J TON80 COMMUNICATIONS, LLC 344      
989-663 A Maple Rapids MI 516J TON80 COMMUNICATIONS, LLC 344      
989-664 A Rosebush MI 516J TON80 COMMUNICATIONS, LLC 344      
989-696 A Pompeii MI 516J TON80 COMMUNICATIONS, LLC 344      
989-767 A Vassar MI 516J TON80 COMMUNICATIONS, LLC 344      
989-812 A Pinconning MI 516J TON80 COMMUNICATIONS, LLC 344      
989-886 A Vickeryville MI 516J TON80 COMMUNICATIONS, LLC 344      
989-969 A Mount Pleasant MI 516J TON80 COMMUNICATIONS, LLC 344      
989-994 A Beaverton MI 516J TON80 COMMUNICATIONS, LLC 344      
989-997 A Glennie MI 516J TON80 COMMUNICATIONS, LLC 344      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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