HomeArea CodesTexas — 210210-257

☎ 210-257-... serviced by Southwestern Bell, San Antonio, TX

Numbers beginning with 210-257

Area code 210-257 is assigned to San Antonio, TX.

Area code 210-257 is assigned to San Antonio, TX.


Main city: San Antonio
Timezone: Central
Phone type: Landline
Operator: Southwestern Bell

San Antonio, officially the City of San Antonio,, the seventh most populous city in the United States of America and the second most populous city in the state of Texas, with a population of 1.3 million. It was the fastest growing of the top 10 largest cities in the United States from 2000-2010, and the second from 1990-2000. The city is located in the American Southwest, the south–central part of Texas, and the southwestern corner of an urban region known as the Texas Triangle. source

Area code 210 is a North American telephone area code for numbers in and near San Antonio, Texas. It is an enclave area code, similar to area code 312 in Chicago and area code 213 in Los Angeles, in that it is completely surrounded by area code 830. source


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Phone number full length is 10 digits: (210) 257-xxxx

International format length is 11 digits: +1 (210) 257-xxxx

Number can be also written as:210-257, +1-210-257, 001210257

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Note: this is not the exact phone location - just showing surroundings of the city, where number is possibly located/registered.