Post Offices in Oshkosh, WI - Location and Hours Information

Oshkosh Post Offices

All 3 locations in Oshkosh, Wisconsin with operating hours, phone numbers, and postal services around Winnebago County.

Downtown Oshkosh Post Office

Oshkosh, WI 54901

920-236-0627 Today 9:00am - 5:00pm

Oshkosh Post Office

1025 W 20th Ave

Oshkosh, WI 54903

920-236-0627 Today 8:00am - 6:30pm

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"Mail carriers provide exceptional service, care for needs, and show personal touches."

Oshkosh Carrier Annex Post Office

1900 Venture Dr

Oshkosh, WI 54902

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