Best Post Offices in Saint Marys, KS
Updated June 2026
We ranked 5 post offices in Saint Marys, KS by their average rating and number of reviews to surface the 5 best. Every pick links to a full listing with contact details, opening hours, photos, and an interactive map.
Best Post Offices in Saint Marys, KS
No. 1: Delia Post Office
No reviews yetNo. 2: United States Post Office
No reviews yetNo. 3: United States Postal Service
No reviews yet118 S 6th StNo. 4: Saint Marys
No reviews yet118 S 6TH STNo. 5: UPS Access Point location
No reviews yet520 W Bertrand Ave
How we rank
This list is generated automatically from 5 post officesin Saint Marys, KS, ranked by average customer rating and then by the number of reviews — so a 4.8 with hundreds of reviews outranks a 5.0 with one. We don't accept payment for placement, and the order refreshes as new ratings come in. Last updated June 2026.
Want the full directory instead? Browse all post offices in Saint Marys, KS.