Citing cold, USPS cancels Wednesday mail delivery in Minnesota, western Wisconsin – Twin Cities

USPS Suspends Mail Delivery In Parts Of 10 States Because Of Dangerous Polar Vortex : NPR

Postal Service Suspends Mail Deliveries in Multiple States Due to Cold

USPS Halts Mail Delivery In Minnesota Due To Polar Vortex - CBS Minnesota

What's behind the mail delivery delays in the Twin Cities? - CBS Minnesota

A Guide to USPS Mailbox Regulations

Mail delivery suspended Wednesday in Minnesota, western Wisconsin due to cold

United States Postal Service - Wikipedia

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USPS Is Warning Customers About New Winter Mail Delays

U.S. Postal Service suspends mail delivery Wednesday as Iowa braces for dangerously cold temperatures

Due to the brutal weather, postal workers aren't delivering mail in 10 states

Minnesota postal carriers deliver concerns on workload, conditions as holiday season packages pile up