210 Area Code Overview & Map

The 210 area code is a telephone area code serving the city of San Antonio and its surrounding areas in Texas, United States. It was one of the original area codes established in 1947. San Antonio, known for its rich cultural heritage and historic landmarks, is the primary urban center within the 210 area code. As one of Texas's major cities, San Antonio has experienced population growth and economic development over the years. The 210 area code is part of the North American Numbering Plan (NANP) and plays a crucial role in telecommunications, facilitating the routing of telephone calls in this region.

When was the 210 Area Code created?

The 210 area code was first put into service in 1992, by the North American Numbering Plan Administration (NANPA). Learn more about the US Area Code System

History

The 210 area code was created from the 512 area code, to meet the growing demand for new telephone numbers in Texas.

Where is the 210 Area Code located?

The 210 area code serves San Antonio, Texas and the surrounding areas.

Overlays

The 210 is an overlay for the 726 area code(s), and serves the same area. Learn about overlays

• 210 Cities
• 210 NXX Prefixes