The 830 area code serves the Texas Hill Country and the border region around San Antonio, forming a ring that includes New Braunfels, Kerrville, Del Rio, and Eagle Pass. Created in 1997 in a split from San Antonio’s 210 code, it is a geographic area code covering scenic hills, wine country, and Rio Grande border towns. If an 830 number has appeared on your caller ID, this guide explains where it comes from, how to dial it, and how to stay safe from spoofed calls.
Quick Summary: Area Code 830 at a Glance
| Detail | Information |
|---|---|
| Area Code | 830 |
| State | Texas (TX) |
| Major Cities | New Braunfels, Del Rio, Uvalde, Kerrville |
| Time Zone | Central Time (CT) |
| Country Code | +1 (USA) |
| Overlay Codes | None (standalone) |
Geographic Coverage & Major Cities
Area code 830 wraps around the San Antonio metro, covering the Hill Country to the north and west and the Rio Grande border to the southwest. It includes Comal, Kerr, Guadalupe, Val Verde, Maverick, Uvalde, and Gillespie counties among others.
Cities and communities served by the 830 area code include:
- New Braunfels & Seguin – fast-growing cities along the I-35 corridor northeast of San Antonio
- Kerrville & Fredericksburg – the heart of the Hill Country and Texas wine country
- Del Rio & Eagle Pass – major Rio Grande border cities
- Uvalde & Boerne – established South-Central Texas communities
From tubing on the Guadalupe River to vineyards and border crossings, an 830 number reflects the diverse Hill Country and border character of South-Central Texas.
A Brief History of Area Code 830
Area code 830 was created in 1997 in a geographic split from the 210 code, taking the counties surrounding the San Antonio metro. The same era of growth also produced the 956 code for the Rio Grande Valley. Because it serves a largely non-metropolitan region, 830 has never required an overlay and still covers its territory on a single area code.
Time Zone & Best Time to Call
Numbers in the 830 area code use Central Time (CT). The region observes Daylight Saving Time, shifting from CST (UTC-6) to CDT (UTC-5) between March and November each year.
How to Dial Phone Numbers in Area Code 830
Because 830 has no overlay, both 7-digit and 10-digit local dialing have historically worked, but 10-digit dialing is now the recommended standard across the United States.
Calling within the United States or Canada
- 10-digit dialing: Include the area code – 830-XXX-XXXX.
- 11-digit dialing: You can also dial 1-830-XXX-XXXX; the leading 1 is the NANP country code.
Calling from outside the United States
- Format: [exit code] + 1 + 830 + XXX + XXXX
- From the UK, Europe, or most of Asia/Africa: 00 1 830 XXX XXXX
- From any mobile phone worldwide: +1 830 XXX XXXX
Is Area Code 830 a Scam? Safety & Protection Tips
Area code 830 is a legitimate Texas area code – a call from it is not fraudulent by default. However, scammers frequently spoof local codes like 830, faking the caller ID so their number appears to come from a trusted Hill Country or border line. Neighbor spoofing, which mimics the first six digits of your own number, is especially common.
Common scam tactics linked to this region
| Scam type | What to watch for |
|---|---|
| Government & immigration impersonation | Callers posing as ICE, CBP, the IRS, or SSA threatening arrest or deportation |
| Bank & card fraud alerts | Claims of “suspicious activity” seeking your account details |
| Vacation & real-estate scams | Fake Hill Country rental, timeshare, or land-sale offers |
| Utility shut-off threats | Demands for immediate payment to avoid disconnection |
How to report, block, and look up 830 callers
- Never share personal or financial details with an unexpected caller, however urgent they sound.
- Block the number using your phone’s built-in call-blocking feature or a reputable call-screening app.
- Look up the number with a trusted reverse phone lookup before returning any call.
- Report it to the FTC at reportfraud.ftc.gov and register at DoNotCall.gov.
Nearby & Related Area Codes in Texas
Area code 830 wraps around and borders several other Texas codes:
- 210 & 726 – San Antonio at the center of the 830 ring (see our 210 area code guide)
- 512 & 737 – Austin to the northeast (see our 512 area code guide)
- 956 – the Rio Grande Valley to the south (see our 956 area code guide)
- 432 – the Permian Basin and Trans-Pecos to the west (see our 432 area code guide)
Explore more codes across the state on our Texas area codes hub, or browse every prefix in our US area codes directory.
↑ See the complete list of All US Area Codes by State – every area code across all 50 states in one directory.
Explore Neighboring States
Researching area codes just across the state line? Start with these codes in the states that border Texas:
Frequently Asked Questions About Area Code 830
Where is the 830 area code located?
Area code 830 covers the Texas Hill Country and border region around San Antonio, including New Braunfels, Kerrville, Del Rio, and Uvalde. It operates on Central Time and split from area code 210 in 1997.
Does the 830 area code have an overlay?
No. Because it serves a largely non-metropolitan region, 830 has never needed an overlay and still covers its entire territory on a single area code.
Is 830 a landline or cell phone area code?
Both. Area code 830 serves landlines, mobile phones, and VoIP numbers throughout the Hill Country and border region.
Should I answer a call from an unknown 830 number?
If you are not expecting the call, let it go to voicemail. Legitimate callers leave a message, while spoofed or robocall numbers usually will not. Verify any unfamiliar number with a reverse lookup before calling back.
Related 830 Guides
- Is a 830 call safe? Read Is area code 830 a scam? Spam & safety guide.
- Worried about spam or robocalls? Browse our Scam Alerts directory.