Area Code 210

Cities in area code 210

• San Antonio

Unwanted-call complaints about 210 numbers

From September 2025 through August 2026, consumers filed 118 complaints with the FCC about unwanted calls or texts from 210 numbers, from 88 different ZIP codes. That ranks 210 #116 of 370 US area codes by how widely it was reported.

• 63% of these complaints were filed from Texas.

Source: FCC Consumer Complaints Data. Complaints are not verified by the FCC, and caller ID can be spoofed, so a complaint does not mean the caller was really in Texas. See the area codes most reported for unwanted calls for our method.

Other Texas area codes

Area code 210 FAQ

Where is area code 210?

Area code 210 is assigned to Texas and covers San Antonio, according to the North American Numbering Plan Administrator (NANPA).

What time zone is area code 210?

Area code 210 is in the Central time zone.

Which area codes overlay 210?

210 shares its territory with 726. In an overlay, numbers from all these codes are assigned in the same area, so local calls need the area code.

When did area code 210 start?

NANPA lists area code 210 as in service since 1992, when it was added to the area of 512.

Is a call from area code 210 a scam?

The area code alone can't tell you. Caller ID can be faked, so a 210 number may not come from Texas at all. Let unknown calls go to voicemail and never call back a number you don't recognize just to find out who it was.