Area code
Area code 512 — Austin, TX
Texas · in service since 1947
Area code 512 covers Austin, TX. It is an overlay: 737 serves the same area, so neighbors can have different area codes.
Overlay, same area: 737
Local time in Austin
Spam reports from Sep 23 – Oct 22, 2026
High #106 of 461 codes
700 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zoneCentral Time
- Local calls10 digits
- Prefixes800 assigned
- Runs out~1Q 2044
- Unwanted call?Block & report
Spam call reports about 512 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 74 |
| Sep 14 | 277 |
| Sep 21 | 220 |
| Sep 28 | 118 |
| Oct 5 | 125 |
| Oct 12 | 167 |
| Oct 19 (4 days) | 171 |
Compared with all codes
- Robocalls
- 68%all codes 75%
- Callers with the same code
- 71%all codes 35%
- Rank by complaints
- #106of 461 · top quarter
- FCC complaints, Oct 2025 – Sep 2026
- 25061 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Dropped call or no message | 221 19% | |
| Calls pretending to be government, businesses, or family and friends | 170 15% | |
| Medical & prescriptions | 121 11% | |
| Reducing your debt (credit cards, mortgage, student loans) | 31 3% | |
| Warranties & protection plans | 23 2% | |
| Home improvement & cleaning | 15 1% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| Texas | 910 79% | |
| Ohio | 26 2% | |
| California | 22 2% | |
| Florida | 20 2% | |
| Michigan | 17 1% |
October 2026 (partial) report · most reported
Consumer reports, not verified by the FTC · source
Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).
Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.
Area code 512 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| AUSTIN | Austin | spans 4 counties | 585 |
| GEORGETOWN | Georgetown | Williamson County | 29 |
| SAN MARCOS | San Marcos | spans 3 counties | 26 |
| BASTROP | Bastrop | Bastrop County | 19 |
| LEANDER | Leander | spans 2 counties | 12 |
| LOCKHART | Lockhart | Caldwell County | 11 |
| BURNET | Burnet | Burnet County | 8 |
| TAYLOR | Taylor | Williamson County | 7 |
| KYLE | Kyle | Hays County | 6 |
| LAMPASAS | Lampasas | Lampasas County | 6 |
Plus 25 smaller exchange areas.
Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).
NANPA record
- Location
- Texas
- Assigned by NANPA
- 1947
- Local dialing
- 10 digits (NANPA: 10D)
- NANPA planning letters
- PL-438, PL-233, PL-158
Source: NANPA, NPA database of Oct 24, 2026.
Is 512 running out of numbers?
Previous forecast (October 2025): 2042, moved later by 2 years.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 512 prefixes
The five largest of 38 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Southwestern Bell | 273 34% | |
| New Cingular Wireless PCS, LLC | 98 12% | |
| T-Mobile USA, Inc. | 70 9% | |
| Verizon Wireless | 49 6% | |
| Level 3 Of Telecom Of Texas, LLC | 45 6% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 512
What area code is 512?
A Texas area code, in service since 1947.
Where is 512 area code, and what time zone is it in?
Austin, TX; Central Time.
Why am I getting spam calls from 512?
700 FTC complaints from Sep 23 – Oct 22, 2026, most often about dropped calls or no message (not verified by the FTC; caller ID can be spoofed).
Will 512 get a new area code?
NANPA forecasts exhaust in 1Q 2044; no relief planning listed.