MINNEAPOLIS (AP) — Four mail processing facilities in Minnesota are on the Postal Service’s list for possible closings.

More than 250 offices across the country are part of the proposal.

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The four offices under consideration in Minnesota are in Bemidji, Duluth, Rochester and Waite Park.

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Changes in delivery standards and the closings could save the agency as much as $3 billion, and officials are seeking changes from Congress that could help them cut expenses more.

The agency lost $8.5 billion last year and is facing an even larger deficit this year as it struggles with shrinking business because of the movement of first-class mail to the Internet and the struggling economy, which limited advertising mail.

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