210 Area Code — Texas
210 is a North American Numbering Plan area code for Texas, the United States. It covers about 2,023,205 people in 10 towns and 92 ZIP codes, including San Antonio, Converse and Helotes.
| Field | Value |
|---|---|
| Area code | 210 |
| Country | United States (+1) |
| State / province | Texas |
| Type | Shares its towns with 726 |
| Time zone | Central |
| Population covered | 2,023,205 |
| Towns covered | 10 |
| ZIP codes | 92 |
| Approx. centre | 29.458, -98.495 |
Where area code 210 is used
Area code 210 is assigned to Texas, the United States, inside the North American Numbering Plan. Numbers in the code are written (210) NXX-XXXX at home and +1 210 NXX-XXXX when dialled from outside Canada and the United States. Since the NANP moved to 10-digit dialling you must always include the area code, even for a local call.
Other area codes in this footprint: 726. They serve towns in the same territory, so a single street can contain numbers from more than one code. That is normal in the NANP and does not change how you dial.
Towns and cities in area code 210
The 10 towns below are the largest in the 210 footprint, ranked by population. Every one of them links to its own page with the full list of area codes and ZIP codes for that town.
| Town | County | Population | ZIP codes |
|---|---|---|---|
| San Antonio | Bexar County | 1,877,669 | 83 |
| Converse | Bexar County | 63,067 | 1 |
| Helotes | Bexar County | 28,462 | 1 |
| Universal City | Bexar County | 22,187 | 1 |
| Elmendorf | Bexar County | 9,769 | 1 |
| Jbsa Lackland | Bexar County | 7,635 | 1 |
| Adkins | Bexar County | 7,267 | 1 |
| Jbsa Ft Sam Houston | Bexar County | 7,149 | 1 |
| Macdona | Bexar County | — | 1 |
| Jbsa Randolph | Bexar County | — | 1 |
Counties covered
| County | ZIP codes |
|---|---|
| Bexar County | 91 |
| Comal County | 1 |
Other area codes serving the same towns
Nearby area codes
How to dial area code 210
- Within North America: 210 + 7-digit number (210-NXX-XXXX). The leading 1 is optional on a mobile phone and required on most landlines for long-distance.
- From abroad: your country's international prefix, then 1, then 210, then the 7-digit number — for example 00 1 210 NXX-XXXX from most of Europe.
Frequently asked questions
What area code is 210?
210 is a North American Numbering Plan area code assigned to Texas, the United States. It covers about 2,023,205 people in 10 towns.
Is 210 a US or Canadian area code?
210 is a United States area code. Canada and the United States share the +1 country code, so both are part of the same numbering plan.
What time zone is area code 210 in?
Area code 210 is in the Central time zone.
Do I have to dial 10 digits?
Yes. Every NANP call now requires the area code plus the seven-digit number, even for a local call.