United States Postal Service 3835 W Old Potash HwyGrand Island, NE, 68803 View Phone 800-275-8777 Alt: 308-385-6526 Fax: 308-385-6020 3835 W Old Potash HwyGrand Island, NE 68803 View Website Experience & Reliability About Connect with this Business: Send to My Email Send to My Phone Print this Page