The 830 area code covers New Braunfels, Del Rio and 75 more places in Texas.
Area code 830 is in Texas, on Central Time. In the 830 area, phone numbers are given out most in Comal County, then Atascosa and Val Verde counties. It has been in service since July 7, 1997.
- Where
- 8 counties in Texas, mostly Comal County, Atascosa County and Val Verde County
- Time zone
- Central Time
- In service since
- July 7, 1997
- Shares its area with
- No other area code
- Prefixes in use
- 496
- How to dial
- Local calls need all 10 digits: 830-555-0142.
Find out who called you from an 830 number.
Enter the full 10-digit number to see who it is listed to and the city and state on the listing. It is the same free check as our who called me lookup. To see only the caller ID name on the number, use our free CNAM lookup. To see whether it is a mobile, a landline or a VoIP line, use our free VoIP checker. To see which carrier a (830) number is on today, use our free carrier lookup.
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New Braunfels holds 8% of the phone prefixes in area code 830.
A prefix is the three digits after the area code, and NANPA assigns each one to a town. Counting the 496 prefixes in use shows where 830 numbers are actually given out.
- New Braunfels42 prefixes, 8%
- Del Rio31 prefixes, 6%
- Seguin24 prefixes, 5%
- Kerrville22 prefixes, 4%
- Eagle Pass19 prefixes, 4%
- Boerne15 prefixes, 3%
- Fredericksburg14 prefixes, 3%
- Uvalde14 prefixes, 3%
Also served: Marble Falls, Pleasanton, Floresville and Gonzales and 65 smaller places.
Southwestern Bell (AT&T) holds the most phone number prefixes in area code 830: 71 of 496.
NANPA, which runs the North American numbering plan, assigns each prefix (the three digits after the area code) to one carrier. Here is how the 496 prefixes in use in 830 divide between carriers; holders this page does not name are grouped as other carriers.
| Carrier | Prefixes | Share |
|---|---|---|
| Southwestern Bell (AT&T)AT&T's landline company | 71 | 14% |
| AT&T MobilityMobile network | 58 | 12% |
| FrontierLandline company | 48 | 10% |
| Peerless NetworkWholesale phone carrier | 34 | 7% |
| Guadalupe Valley Telephone Cooperative | 27 | 5% |
| T-MobileMobile network | 27 | 5% |
| 38 other carriers | 231 | 47% |
82% of these prefixes are pooled, which means the blocks of 1,000 numbers inside them can belong to other carriers. Any number can also have been moved to another carrier since, so this shows who holds the prefixes, not who serves a given number.
Want the carrier of one exact number? Our free carrier lookup checks it, because numbers move between carriers.
Source: NANPA central office code assignments, October 1, 2026.
830 has covered the same ground since 1997.
1997
830 starts on July 7, 1997, split off from 210.
An 830 number on your screen can still be a scam, because caller ID is easy to fake.
- Let an unknown call go to voicemail. A real caller leaves a message; a robocaller usually does not.
- Look the number up with the box above before you call back, because calling back tells a robocaller your line is live.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report unwanted robocalls at reportfraud.ftc.gov, or paste a suspicious message into our free scam checker.
The area codes closest to 830 are 210, 512 and 361.
This list measures the distance between the centres of each area, across state lines, and shows codes that share one area together.
Texas has 28 other area codes.
These are the questions people ask most about area code 830.
Where is area code 830?
830 covers New Braunfels, Del Rio, Seguin and Kerrville and 73 more places in Texas. In the 830 area, phone numbers are given out most in Comal County, then Atascosa and Val Verde counties.
What state is area code 830 in?
Texas. 830 is a Texas area code on Central Time.
What cities use area code 830?
The places holding the most 830 prefixes are New Braunfels, Del Rio, Seguin, Kerrville, Eagle Pass, Boerne, Fredericksburg and Uvalde, out of 77 places in all. The count comes from NANPA's prefix assignments as of October 1, 2026.
Which phone company owns area code 830?
No single phone company owns 830. NANPA's records show Southwestern Bell (AT&T) holds the most 830 prefixes, 71 of 496, followed by AT&T Mobility and Frontier. Numbers move between carriers, so check one exact number with a carrier lookup.
What time zone is area code 830 in?
830 is on Central Time.
When did area code 830 start?
830 went into service on July 7, 1997, when it was split off from 210.
How do I dial an 830 number?
Local calls need all 10 digits: 830-555-0142.
Is 830 a toll-free number?
No. 830 is a regular area code for New Braunfels and Del Rio in Texas, not a toll-free one. The toll-free codes in North America are 800, 833, 844, 855, 866, 877 and 888.
What area codes are near 830?
The closest are 210/726 (San Antonio, Texas), 512/737 (Austin, Texas), 361 (Corpus Christi, Texas) and 325 (Abilene, Texas), measured between the centres of each area.
Who called me from an 830 number?
Enter the full 10-digit number in the lookup above. It returns the listed owner where there is a public record, where the number is registered, and whether it is a mobile, a landline or a VoIP line.
Is area code 830 a scam?
830 is a real Texas area code, so the code itself is not a warning sign. Scam callers fake local-looking numbers on purpose, so judge the call by what the caller asks for, and look the number up before calling back.
Put this lookup on your site: our free area code widget takes two lines of code and shows any US area code's state, time zone and local time.
Source: NANPA, the North American Numbering Plan Administrator: its area code database and prefix assignments, as of October 1, 2026.