The city of Kerrville, Texas, located in the scenic Texas Hill Country, is served exclusively by the area code 830.
If you are trying to call a landline or mobile phone in Kerrville, you must dial 830 followed by the seven-digit local phone number. The 830 area code covers Kerr County in its entirety and a large, geographically diverse region surrounding San Antonio.
This guide provides a comprehensive breakdown of the Kerrville area code, including the geographic area it covers, its time zone, and important advice on whether calls from this code should be trusted.
Area Code 830 Location and Geographic Coverage
The 830 area code is located in the South Central region of Texas, enveloping the larger metropolitan area of San Antonio (which uses 210/726).
Primary Location: Kerrville, Texas
- State: Texas (TX)
- Time Zone: Central Time Zone (CT) / America/Chicago
- Major County: Kerr County
Major Cities Sharing the 830 Area Code
The 830 area code serves a vast region known as the Texas Hill Country and the Rio Grande Plain. Besides Kerrville, other significant cities and towns within this area code include:
- New Braunfels
- Seguin
- Del Rio
- Eagle Pass
- Uvalde
- Boerne
- Fredericksburg
- Hondo
The area code covers portions of 39 counties, including Kerr, Comal, Guadalupe, Uvalde, Medina, and Maverick.
History of the 830 Area Code
Area code 830 was officially implemented on July 7, 1997. It was created as a split from the existing 210 area code to relieve number exhaustion due to the rapid population growth in San Antonio’s suburbs and the proliferation of mobile devices throughout the Central Texas region.
Dialing Instructions for Kerrville, TX
To call a number within Kerrville or any city served by the 830 area code, you must use 10-digit dialing.
| Calling Scenario | Dialing Format |
| Local Call (within 830) | 830 – XXX – XXXX |
| Long Distance (from another US area code) | 1 – 830 – XXX – XXXX |
| International Call (from outside the US) | Country Code (1) – 830 – XXX – XXXX |
Note: Since 2021, all calls within the 830 area code (even those considered local) require ten-digit dialing (Area Code + Seven Digits).
830 Area Code and Potential Scams
While the 830 area code itself is tied to a legitimate and desirable region of Texas, like any major metropolitan area code, it is frequently exploited by scammers using call spoofing technology.
The Scam Risk
Some residents in the San Antonio and Hill Country region report that a high percentage of the unsolicited calls they receive often display the local 830 or 210 area codes. Scammers use neighbor spoofing to make a call appear to originate from a familiar, local number, increasing the chance you will answer.
- High Incidence of Spam: User reports suggest that numbers starting with 830 are common sources of robocalls related to car warranties, utility services, and tax scams.
Safety Measures You Can Take
- Do Not Answer Unknown Numbers: If you do not recognize the number, let the call go to voicemail. Legitimate callers will leave a message; scammers rarely do.
- Verify Before Calling Back: Never return a missed call from an unknown 830 If you suspect the call might be important, search the full 10-digit number online to check for scam reports.
- Use Carrier Spam Tools: Activate your mobile carrier’s free spam-blocking features (e.g., AT&T ActiveArmor, T-Mobile Scam Shield, Verizon Call Filter). These tools use advanced databases to flag or block known scam calls before they reach your phone.
Frequently Asked Questions (FAQ)
Is Kerrville in the Central Time Zone?
Yes. Kerrville, and the entire 830 area code region, operates on the Central Time Zone (CT). This means it follows Central Standard Time (CST) during the winter months and Central Daylight Time (CDT) during the summer.
What is the ZIP code for Kerrville?
Kerrville, TX uses a few different ZIP codes, the most common of which are 78028 and 78029.
Do I need to dial a ‘1’ before calling an 830 number from Texas?
Yes, if you are calling from a different area code, you must dial a 1 before the 10-digit number (e.g., 1-830-XXX-XXXX). If you are calling from another number within the 830 area code, you must still dial all 10 digits (830-XXX-XXXX).
