512 Area Code: Austin, Texas
From the North American Numbering Plan Administrator (NANPA), checked October 13, 2026.
512 is an Austin, Texas area code that covers the greater Austin area. It shares its area with 737, which serves the same places.
Local 512 numbers available
None found
Twilio's number search found no local 512 numbers that can take calls, checked October 15, 2026. CallFlux buys its tracking numbers through Twilio. We run this search at most once a day, and one search lists at most 30 numbers. Numbers come and go, so a search in the CallFlux dashboard shows what is available at that moment.
512 area code at a glance
Places the 512 area code covers
“The 512 NPA generally covers the greater Austin area and principally in the counties of Bastrop, Burnet, Caldwell, Hays, Lampasas, Milan, Travis and Williamson”
Rate centers NANPA lists for 512
NANPA's rate center report lists 35 rate centers for 512, as of October 13, 2026.[14]
- Adamsville
- Austin
- Bastrop
- Bertram
- Briggs
- Buchanan Dam
- Buda
- Burnet
- Coupland
- Dale/Lytton Springs
- Dripping Springs
- Elgin
- Fentress
- Georgetown
- Granger
- Hutto
- Jarrell
- Kempner
- Kyle
- Lampasas
- Leander
- Liberty Hill
- Lockhart
- Lometa
- Martindale
- McDade
- Milano
- Paige
- Rockdale
- San Marcos
- San Gabriel
- Smithville
- Taylor
- Thorndale Thrall
- Wimberley
Area codes that share the 512 area
In an overlay, more than one area code serves the same area. NANPA lists 512 in the 512/737 overlay. So 737 serves the same area as 512.[3]
“The new 737 NPA will serve the same geographic area currently served by the existing 512 NPA.”
Get a local 512 tracking number
CallFlux tracking numbers are picked by area code. In the CallFlux dashboard you type 512, search the numbers available in it and choose one. Calls to that number forward to the phone you set, and you can record them, assign the number to a campaign and swap it onto your website, so each call shows which ad or page it came from.
A local tracking number is $1.15 a month, on top of a CallFlux plan.
Frequently asked questions
Where is the 512 area code?
512 is an Austin, Texas area code that covers the greater Austin area. It shares its area with 737, which serves the same places.
What area codes share the 512 area?
NANPA lists 512 in the 512/737 overlay. So 737 serves the same area as 512.
What time zone is the 512 area code in?
NANPA lists Central as the predominant time zone for 512.
How do you dial a local call in the 512 area code?
NANPA lists 10 digits (the area code and the number) as the predominant way to dial a local call within 512, and 1 + 10 digits for toll calls.
When did the 512 area code start?
NANPA lists January 1, 1947 as the date 512 was placed in service.
Can I get a local 512 phone number for my business?
Our latest search, on October 15, 2026, found no local 512 numbers. Numbers come and go, so search 512 again in the CallFlux dashboard. A local tracking number is $1.15 a month, on top of a CallFlux plan.
Sources
Every fact on this page, the words it rests on and the date it was checked. NANPA writes NPA for an area code.
[1] NANPA lists 512 as an area code in Texas.
“LOCATION: TX”
NANPA NPA Database (file dated October 13, 2026) · checked October 13, 2026
[2] NANPA lists January 1, 1947 as the date 512 was placed in service.
“IN_SERVICE_DT: 01-Jan-1947”
NANPA NPA Database (file dated October 13, 2026) · checked October 13, 2026
[3] NANPA lists 512 as part of the 512/737 overlay.
“OVERLAY_COMPLEX: 512/737”
NANPA NPA Database (file dated October 13, 2026) · checked October 13, 2026
[4] NANPA lists Central as the predominant time zone of 512.
“TIME_ZONE: C”
NANPA NPA Database (file dated October 13, 2026) · checked October 13, 2026
[5] NANPA's TIME_ZONE field gives a code's predominant time zone or zones.
“Predominant time zone(s) for NPA”
NANPA NPA Database field definitions · checked October 13, 2026
[6] In NANPA's field definitions, C stands for Central.
“C-Central”
NANPA NPA Database field definitions · checked October 13, 2026
[7] NANPA lists 10 digits as the predominant way to dial a local call within 512.
“HOME_NPA_LOCAL_CALLS: 10D”
NANPA NPA Database (file dated October 13, 2026) · checked October 13, 2026
[8] NANPA's HOME_NPA_LOCAL_CALLS field gives the predominant dialing pattern for local calls.
“Predominant dialing pattern on Home NPA Local Calls”
NANPA NPA Database field definitions · checked October 13, 2026
[9] NANPA lists 1 + 10 digits as the predominant way to dial a toll call within 512.
“HOME_NPA_TOLL_CALLS: 1+10D”
NANPA NPA Database (file dated October 13, 2026) · checked October 13, 2026
[10] NANPA's HOME_NPA_TOLL_CALLS field gives the predominant dialing pattern for toll calls.
“Predominant dialing pattern on Home NPA Toll Calls”
NANPA NPA Database field definitions · checked October 13, 2026
[11] In NANPA's field definitions, 1+10D stands for 1 + 10 digits.
“1+10D - one plus ten digits”
NANPA NPA Database field definitions · checked October 13, 2026
[12] In NANPA's field definitions, 10D stands for 10 digits.
“10D - ten digits”
NANPA NPA Database field definitions · checked October 13, 2026
[13] NANPA's rate center report puts 25 of 512's 35 rate centers in the Austin-Round Rock-San Marcos, TX Metropolitan Statistical Area.
“Austin-Round Rock-San Marcos, TX Metropolitan Statistical Area”
NANPA NPA Rate Center Report (created October 13, 2026) · data · checked October 13, 2026
[14] NANPA's rate center report lists 35 rate centers for 512.
“ADAMSVILLE; AUSTIN; BASTROP; BERTRAM; BRIGGS; BUCHANAN DAM; BUDA; BURNET; COUPLAND; DALE/LYTTON SPRINGS; DRIPPING SPRINGS; ELGIN; FENTRESS; GEORGETOWN; GRANGER; HUTTO; JARRELL; KEMPNER; KYLE; LAMPASAS; LEANDER”
NANPA NPA Rate Center Report (created October 13, 2026) · data · checked October 13, 2026
[15] NANPA describes the 512 area as greater Austin and eight counties.
“The 512 NPA generally covers the greater Austin area and principally in the counties of Bastrop, Burnet, Caldwell, Hays, Lampasas, Milan, Travis and Williamson”
NANPA Planning Letter PL-438 (August 1, 2012) · checked October 13, 2026
[16] 737 serves the same area as 512.
“The new 737 NPA will serve the same geographic area currently served by the existing 512 NPA.”
NANPA Planning Letter PL-438 (August 1, 2012) · checked October 13, 2026
[17] NANPA's glossary uses NPA, Numbering Plan Area, for an area code.
“Numbering Plan Area (Area Code)”
NANPA glossary · checked October 13, 2026