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: SGNWMIACCMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-220 5 Saginaw MI 145J TERRA NOVA TELECOM INC. 344   2024-12-04   
989-380 8 Bay Port MI 145J TERRA NOVA TELECOM INC. 344   2024-02-14   
989-447 0 St Charles MI 145J TERRA NOVA TELECOM INC. 344   2025-01-08   
989-486 5 Midland MI 145J TERRA NOVA TELECOM INC. 344   2024-12-04   
989-491 9 Midland MI 145J TERRA NOVA TELECOM INC. 344   2024-02-14   
989-528 2 Akron MI 145J TERRA NOVA TELECOM INC. 344   2025-01-03   
989-545 5 Bay City MI 145J TERRA NOVA TELECOM INC. 344   2024-12-04   
989-566 5 Mayville MI 145J TERRA NOVA TELECOM INC. 344   2024-04-21   
989-630 6 Harrison MI 145J TERRA NOVA TELECOM INC. 344   2024-02-23   
989-692 8 Freeland MI 145J TERRA NOVA TELECOM INC. 344   2024-05-27   
989-877 A Saginaw MI 145J TERRA NOVA TELECOM INC. 344      
989-955 9 Ubly MI 145J TERRA NOVA TELECOM INC. 344   2024-02-15   
989-977 3 Sebewaing MI 145J TERRA NOVA TELECOM INC. 344   2024-08-12   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.