Area code 512 covers Austin and surrounding communities in Texas.
Updated 8 October 2026
Area code 512 is in Texas, shown here with Austin marked.
Now in Austin
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Typical business hours, 9 to 5 Monday to Friday.
Typical business hours, 9 to 5 Monday to Friday, shown as the blue arc. A guide to when a real Austin office is likely to answer. It says nothing about who called you.
Source: North American Numbering Plan Administrator, retrieved 8 October 2026.
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Is area code 512 a scam?
No. Area code 512 is a legitimate area code serving Austin since 1947. Scammers spoof caller ID to display 512 numbers, which is why complaints exist against a code that is itself genuine.
Neighbour spoofing is the reason a local-looking number is not a guarantee. A caller anywhere in the world can display a 512 number, and the number they display may belong to a real business in Austin that has nothing to do with the call.
The callerAnywhere in the worldSets the caller ID their equipment sends.
What is displayed(512) 900-3239May belong to a real Austin business.
Your phoneLooks localA nearby code and prefix make you likelier to answer.
791Area code 512 had 791 different numbers reported for spam calls in the 30 days to 8 October 2026.
53rdArea code 512 ranks 53rd of 331 US geographic area codes by spam complaint volume.
55%Of the 864 complaints about area code 512 in the 30 days to 8 October 2026, 55% were reported as a recorded message or robocall.
15%The most reported subject on area code 512 is calls pretending to be government, businesses, or family and friends, appearing in 15% of its complaints in the 30 days to 8 October 2026.
Why am I getting text messages from area code 512?
Texts from 512 numbers follow the same pattern as calls — mostly local businesses and services. Treat any text asking for payment or credentials as suspect regardless of the code.
The common patterns are a wrong-number opener that turns into conversation, an unsolicited job offer, and a crypto or investment tip. Do not reply, do not follow the link, and forward the message to 7726 (SPAM) to report it to your carrier.
Pattern 1Wrong-number openerTurns into conversation.
Pattern 2Unsolicited job offerDo not reply, do not follow the link.
Pattern 3Crypto or investment tipTreat any payment ask as suspect.
Report it7726Forward the message. It spells SPAM on a keypad.
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Area codes that overlay 512
Area code 512 shares its geographic footprint with one other code: 737. Overlays are laid over an existing area rather than splitting it, so all local calls require the full ten-digit number.
Area code 512 covers Austin, Texas, and the economy behind it has changed faster than almost any other American metro. Technology anchors the region now. Dell sits in nearby Round Rock, and Apple, Tesla, Samsung, Oracle, and IBM all run major operations in and around the city, alongside a dense layer of startups and venture firms. State government and the University of Texas at Austin remain the older pillars, together employing tens of thousands and giving the local economy a floor that the tech cycle cannot pull out. In 2024 the city's median household income was $93,658 and its employed population stood at roughly 589,000, per DataUSA.
Who lives in the 512 region
The people answering 512 calls skew young and educated. Austin's median age was 34.7 in 2024, per DataUSA, well below the national figure, and the city draws a steady stream of engineers, graduates, and transplants from California and the coasts. About 18.6 percent of residents were born outside the United States, and nearly a third of the population is Hispanic. That mix shows up in the business base, from bilingual service firms to the food and music economy the city trades on.
What a 512 number signals to a caller
Business in Austin is generally conducted with less formality than in Dallas or Houston. Callers describe a culture where first names come fast and where a local 512 number carries some weight, since the code has served the city since 1947 and residents tend to screen unfamiliar out-of-region numbers. The 737 overlay serves the same territory, so a 512 prefix reads as the older, more established signal. Anyone dialling in from outside should expect direct conversation and a decision-making style shaped as much by startups as by state agencies.
Area code 512 serves Austin and surrounding communities in Texas. It is in the Central Time zone.
What state is area code 512 in?
Area code 512 is in Texas. It is not in Philadelphia or Mobile — those are area codes 215 and 251.
Is area code 512 toll free?
No. Area code 512 is a geographic area code serving Austin, Texas. The toll-free codes are 800, 833, 844, 855, 866, 877, 888, and a call to a 512 number is charged at your normal rate.
Why am I getting calls from 512?
Calls displaying a 512 number come from businesses and individuals in the Austin area, and from anywhere at all when caller ID is spoofed to look local. 791 512 numbers were reported to the FTC in the 30 days to 8 October 2026.
How do I block calls from area code 512?
Both iOS and Android can silence calls from unknown numbers, and every major US carrier offers free call-blocking. Blocking the whole of area code 512 is rarely worth it, because spoofed numbers change constantly and you would lose legitimate calls from Austin.