There are 20 United States Postal Service collection boxes and post offices available to the public in Prescott Valley AZ 86314. 1499 Walmart Prescott Valley Supercenter - 15 mi Photo Center 3450 N Glassford Hill Rd Prescott Valley AZ 86314 928-227-9092. Hillside Az Train Station Prescott Az Arizona History Historic Homes 900am - 500pm Friday. Prescott valley post office . A study currently is underway by United States Postal Service officials to identify a site for a new post office in the Town of Prescott Valley. COVID-19 Info and Resources. 8307 E State Route 69 Ste 1. The Prescott Valley Annex post office in Prescott Valley offers services provided by the United States Postal Service USPS. 8307 E STATE ROUTE 69 STE 1 PRESCOTT VALLEY AZ 86314 - 9452. United States Postal Service 442 Miller Valley Rd Prescott AZ Post Offices - MapQuest. The new manager will take the place of Larry Tarkowski who recently announced his intent to retire as of May 15. The Prescott V...