Area code 651, Telephone prefix in Saint Paul, Minnesota, US.
Area code 651 is a telephone region serving Saint Paul and communities east of the Twin Cities metropolitan area. The coverage zone reaches from the Mississippi River valley through suburban and residential neighborhoods across eastern Minnesota.
This area code was established in 1998 when it split from area code 612, which had previously served the entire Minneapolis-Saint Paul region. The separation was driven by growing demand for telephone numbers across the expanding metropolitan area.
The numbering system connects educational institutions, government offices, and residential areas across eastern Twin Cities, forming a communication network for local communities.
The region uses seven-digit dialing without overlay area codes, simplifying the process for residents and callers despite serving a large metropolitan area. This straightforward system remains in place even as the population and phone line density continue to grow.
The boundary between area codes 651 and 612 follows the Mississippi River, except for the University of Minnesota campus which retained 612 for operational purposes.
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