Pick 210 if the number should read as San Antonio.
210 entered service on November 1, 1992. In 1997 it was cut down to the San Antonio core, which is the area it covers today.
The area codes for San Antonio are 210 and 726.
210 and 726 cover the same San Antonio area, from Alamo Heights and Schertz to Helotes and Converse. 726 was laid over 210 in 2017.
210 entered service on November 1, 1992. In 1997 it was cut down to the San Antonio core, which is the area it covers today.
726 entered service on October 23, 2017, on the same ground as 210. It covers Alamo Heights, Schertz, Cibolo and Helotes.
512 is the Austin code. 210 was split from it in 1992, and the two cities have not shared a code since.
From October 2025 to September 2026, 176 unwanted-call complaints filed with the FCC gave a caller ID number that started with 210 and 726. 210 was named most, on 127 of them (72%).
Source: Federal Communications Commission, CGB - Consumer Complaints Data (dataset 3xyp-aqkj), issue "Unwanted Calls", read on November 4, 2026. Caller ID can be faked, so a code shows what appeared on the phone, not where the caller was.
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No. 512 is Austin. 210 was split from 512 in 1992, and San Antonio kept the new code.
Parts of Bexar, Comal, Guadalupe, Atascosa, Medina and Wilson counties. 726 covers the same ground.
A local call in San Antonio is dialed with ten digits, whichever of its codes the number starts with. The area code is part of every number you give out.
From October 2025 to September 2026, people filed 176 FCC complaints about unwanted calls from numbers that start with a San Antonio code: 210 (127) and 726 (49). A complaint is one person's report. Caller ID can be faked, so a code shows what appeared on the phone, not where the caller was.
Yes. You type the area code you want when you create a number, and you do not need to live in San Antonio. Calls ring the phone you already have, and texts land in your ExpressNumber inbox.
No. Your numbers are receive-only: they take calls and texts, and they never make them. You answer calls on your own phone, and you cannot reply to a text from the inbox.
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Codes around San Antonio
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The codes, the places and the years are rows of the North American Numbering Plan Administrator's area code database, and the complaints are the FCC's own.
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