Select a 210 area code phone number

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About San Antonio

Even though San Antonio isn’t the capital city of Texas, it’s home to capital city-sized attractions. From the famed San Antonio Riverwalk to The Alamo, it’s easy to argue the fact that the 210 area code, although small it may be, covers more than a few historic Texas sites. If you’re looking for fun, the 210 area code is easily one of the best places in Texas to visit. Spend a day or two at Six Flags Fiesta Texas and then head over to SeaWorld San Antonio or indulge in an adventure as you explore the underground treasures tucked away inside of the Natural Bridge Caverns. History lovers will also find quite a bit to do in the 210 area code, including touring The Alamo mission or experiencing a ranger-led tour of the 18th-century San Antonio Missions National Historic Park.

Areas Served

The 210 area code serves 91% of Bexar County, which is the 17th-largest county in the United States. This means that the 210 area code serves, in total, about 1.8 million people in the region throughout Bexar County as well as Atascosa, Comal, Guadalupe, and Medina counties.

The History of 210

Interestingly enough, the 210 area code came about from a split from the nearby 512 area code, which covers the Texas capital city of Austin. At the time, the 512 area code covered all of Central and South Texas, including San Antonio, Corpus Christi, McAllen, and Brownsville. However, in 1992, the 210 area code was created and served phone numbers not only in the San Antonio area but also throughout most of the Hill Country and the Rio Grande Valley. Even though San Antonio was the larger city at the time, the 512 area code was reserved for Austin since it was already tied to numerous government-related phone numbers. And, even though the 210 area code was later split into three due to rapid population growth, it retained its coverage of Bexar County and the city of San Antonio. It wasn’t until fairly recently, in 2017, that it became necessary to introduce a new area code to help serve San Antonio-area phone numbers. The 726 area code was used as an overlay for the 210 area code, now sharing coverage of San Antonio and a few surrounding cities such as Schertz, St. Hedwig, Converse, and Cross Mountain.

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