The 210 Area Code (or Area Code 210) is located in the state of TX. Area Code 210 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 2.57 million unique phone numbers and 8.9 million individuals near the city of San Antonio
Area code 210 was put into service on 11/01/1992. Area code 210 was created from a split of area code 512. In 1997 area code 210 was split to form area codes 830 and 956.