FAIRFAX POST OFFICE 57335

Fairfax Post Office Hours


Retail Hours

Contact Numbers:

Phone: 605-654-2243
Monday-Friday 8:00am - 12:00pm, 12:30pm - 2:30pm
Saturday 8:30am - 10:30am
Sunday Closed

Bulk Mail Acceptance Hours

Monday-Friday 8:00am - 12:00pm, 12:30pm - 4:15pm
Saturday 8:30am - 10:30am
Sunday Closed

Monday-Friday 8:00am - 12:00pm, 12:30pm - 2:30pm
Saturday 8:30am - 10:30am
Sunday Closed

Lobby Hours

Monday-Sunday 12:01am - 11:59pm

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Brenda L Warnke (Postmaster) brenda.l.warnke@usps.gov
412 Main St
Fairfax, SD 57335

The Fairfax Post Office is located in the state of South Dakota within Gregory County. This location serves 244 Fairfax residents with a median income of $35,000. It's estimated that approximately 389 packages pass through this post office each year.

Fairfax Post Office Location


Fairfax South Dakota Local Links