Area code 210
Area code 210 serves San Antonio and nearby parts of Texas, including Alamo Heights, Converse and Schertz. It is on Central Time, which observes daylight saving time. 726 is an overlay for the same area.
Area code 210 at a glance
| State | Texas (TX) |
| Main city | San Antonio |
| Time zone | Central Time |
| UTC offset | UTC−6 in winter, UTC−5 in summer |
| Daylight saving time | Yes |
| Overlay codes | 726 |
Cities in 210
- San Antonio
- Alamo Heights
- Converse
- Schertz
An area code shows where a number was first assigned. Mobile numbers keep their area code when people move, so the person you’re calling may be somewhere else.
When you can call a 210 number
Federal telemarketing rules under the TCPA allow sales calls between 8 AM and 9 PM in the called person’s local time. Here is that window for a 210 number, shown in your own time zone.
General information, not legal advice. Some states add rules for Sundays, holidays or the number of calls. See our calling hours guide.
| If you’re on | You can call 210 between |
|---|---|
| Eastern | 9:00 AM to 10:00 PM |
| Central | 8:00 AM to 9:00 PM |
| Mountain | 7:00 AM to 8:00 PM |
| Arizona | 6:00 AM to 7:00 PM |
| Pacific | 6:00 AM to 7:00 PM |
See the time in 210 without leaving your CRM
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Other area codes in Texas
Questions about 210
What time zone is area code 210?
Area code 210 is on Central Time. It observes daylight saving time.
Where is area code 210?
Area code 210 is in Texas. Its main city is San Antonio, and it also covers Alamo Heights, Converse and Schertz.
What are the legal hours to call a 210 number?
Under the federal TCPA, sales calls are allowed from 8 AM to 9 PM in the called person’s local time. Personal and informational calls are not limited by these hours.
What area codes overlay 210?
726 covers the same area as 210, so numbers in the same town can have either code.