Area code 989, Telephone prefix in central and northeastern Michigan, United States.
Area code 989 is a telephone prefix serving a large region across central and northeastern Michigan. The coverage area spans multiple counties and includes cities such as Saginaw, Bay City, and Midland.
The prefix was established in 2001 when the older area code 517, which had served eastern Michigan since 1947, was divided. This change became necessary as population and telephone usage grew in the region.
The region connects manufacturing towns and educational centers that form the backbone of local communities. People here use this prefix as part of their daily business and personal communication routines.
Residents and businesses in this area must dial ten digits for all local calls, a requirement that came with the introduction of the 988 suicide prevention hotline. Understanding the ten-digit dialing convention is important when communicating with contacts in the region.
This prefix is the highest possible number that can be assigned in the North American Numbering Plan, limited by technical rules for middle digits. This makes it a special case in North American telecommunications history.
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