Post office in Willmar

AgentData lists 56 post offices in Willmar, United States. Updated May 2026.

56 businesses1 with websites
Atwater Post Office
Belgrade Post Office
Benson Post Office
Bird Island Post Office
Brooten Post Office
Clara City Post Office
Cosmos Post Office
Danube Post Office
Elrosa Post Office
Grove City Post Office
Hawick Post Office
Hector Post Office
Kandiyohi Post Office
Kerkhoven Post Office
Lake Lillian Post Office
Litchfield Post Office

35, East 2nd Street, Litchfield, 55355, MN

Maynard Post Office
Murdock Post Office
Olivia Post Office

806, East Depue Avenue, Olivia, 56277, MN

Full profile
Pennock Post Office
Prinsburg Post Office
Raymond Post Office
Renville Post Office
Sacred Heart Post Office

213, 2nd Avenue, Sacred Heart, 56285, MN

Sunburg Post Office
United States Post Office

401, Trott Avenue Southwest, Willmar, 56201, MN

Also in Willmar

Place of worship ()Fast food restaurant ()Restaurant ()Fuel supplier ()Library ()Campground ()Private sector bank ()City or town hall ()

Post office in nearby cities

Beckley ()Charleston ()Salisbury ()Lincoln ()Ottumwa ()Clarksburg ()Rutland ()Fort Dodge ()

Frequently asked questions

How many post offices are in Willmar?

AgentData lists 56 post offices in Willmar as of May 2026.

Which post offices in Willmar have a website?

1 of 56 post offices in Willmar have a website with verified contact details.

Is this data free?

Yes. AgentData is completely free — no credit card, no trial period, no paid tiers.

How is this data collected?

Business listings are sourced from OpenStreetMap and verified through our web crawler, which checks websites for email addresses, phone numbers, and technology stacks.

Access this data via API
GET /api/local-businesses?category=post-office&city=willmar