Post Office - Grand Junction Foresight 602 Burkey St Grand Junction, CO 81505 Phone : (970) 244-3436 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (970) 244-3452 Post Office - Cpu Grand Junction Horizon 4 759 Horizon Dr Ste L Grand Junction, CO 81506 Phone : (970) 244-3436 Business Category Post Offices Toll-Free           (800) ASK-USPS