Pampa Texas – Charles Henry, CC BY 2.0 – Wikimedia Commons Pampa is located in Gray County. About 16,867 people live here (as of 2020). Between 2010 and 2020, the population declined from 17,994 to 16,867. The region is at 987 meters above sea level. The area covers about 23.4 square kilometers. There are about 904 streets in Pampa. The region was founded in 1888. The postal codes are 79065–79066. The dialing code is 806. Pampa is city in and the county seat of Gray County, Texas, United States. Among other things, Pampa has restaurants and clothing Stores. More information at www.cityofpampa.org.