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.
Coverage [edit]. Area code 813 covers all of Hillsborough County, the city of Oldsmar in Pinellas County, and the central portion of Pasco County. The eastern portion of Pasco County is in area code 352, while the western portion is in area code 727.rea code 813 became Florida's second area code in 1953, when it was split from the state's original area code, area code 305.