1 Telecommunications Device for the Deaf USPSÂ® Customer Service Telecommunications Device for the Deaf (TDD)/Teletypewriter (TTY) Relay Call 1-800-877-8339 and ask for 1-800-275-8777 Hours of Operation Monday-Friday 8 AM - 8:30 PM ET Saturday 8 AM - 6 PM ET.
Middleburg, Florida is in USDA Hardiness Zones 9a. Middleburg, Florida Hardiness Zone Map. Middleburg Border. A hardiness zone is a geographically defined area in which a specific category of plant life is capable of growing, as defined by climatic conditions, including its ability to withstand the minimum temperatures of the zone.
From Wikipedia, the free encyclopedia. Middleburg is an unincorporated area and census-designated place (CDP) within Clay County, Florida, United States, located 26 miles (42 km) southwest of downtown Jacksonville and 16 miles (26 km) northwest of Green Cove Springs, the Clay County seat.