United States Postal Service

Post Offices , Shipping Centers
Hours:
101 South Wyoming Avenue, Guernsey WY 82214
(800) 275-8777 Directions

Hours

Monday
8:30AM - 5PM
Tuesday
8:30AM - 5PM
Wednesday
8:30AM - 5PM
Thursday
8:30AM - 5PM
Friday
8:30AM - 5PM
Saturday
8:30 - 9:30AM
Sunday
Closed

Most Recent Reviews

Write a review
  • July 2026
    Very friendly and helpful, which is getting very difficult to find at a post office. I travel for work but when I stopped here to mail some items, I was promptly and helped with a smile.

More Comments(6)

Nearest USPS Stores

  1. Guernsey, Wyoming

Location and Contact

USPS

Post Office in Guernsey, WY 101 South Wyoming Avenue, Guernsey (800) 275-8777 Suggest an Edit
USPS