Area codes 512 and 737 are North American telephone

area code A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. Telephone numbers are the addresses of participants in a telephone network, rea ...

s serving

Austin, Texas Austin ( ) is the List of capitals in the United States, capital city of the U.S. state of Texas. It is the county seat and most populous city of Travis County, Texas, Travis County, with portions extending into Hays County, Texas, Hays and W ...

, and its suburbs. Counties currently served by these area codes include Bastrop, Burnet,

Caldwell Caldwell may refer to: People * Caldwell (surname) * Caldwell (given name) * Caldwell First Nation, a federally recognized First Nation in southern Ontario, Canada Places Great Britain * Caldwell, Derbyshire, a hamlet * Caldwell, Ea ...

, Hays,

Travis Travis may refer to: People and fictional characters *Travis (given name), a list of people and fictional characters *Travis (surname), a list of people Places in the United States *Travis, Staten Island, a neighborhood *Travis Air Force Base, a ...

, Milam and Williamson. Area code 512 was one of the original area codes established in October 1947. At that time it covered most of the south-central portion of Texas, from the

Gulf of Mexico The Gulf of Mexico () is an oceanic basin and a marginal sea of the Atlantic Ocean, mostly surrounded by the North American continent. It is bounded on the northeast, north, and northwest by the Gulf Coast of the United States; on the southw ...

to the

Mexican Mexican may refer to: Mexico and its culture *Being related to, from, or connected to the country of Mexico, in North America ** People *** Mexicans, inhabitants of the country Mexico and their descendants *** Mexica, ancient indigenous people ...

border. Besides Austin, it included

San Antonio San Antonio ( ; Spanish for " Saint Anthony") is a city in the U.S. state of Texas and the most populous city in Greater San Antonio. San Antonio is the third-largest metropolitan area in Texas and the 24th-largest metropolitan area in the ...

, Corpus Christi, Brownsville, Harlingen, and

McAllen McAllen is a city in the U.S. state of Texas and the most populous city in Hidalgo County. It is located at the southern tip of the state in the Rio Grande Valley, on the Mexican border. The city limits extend south to the Rio Grande, across ...

. Despite the presence of San Antonio and Austin—the state's third- and fourth-largest cities, respectively, for most of the second half of the 20th century—this configuration remained in place for 45 years. In 1992, the western part of its territory, including San Antonio and the Rio Grande Valley, became

area code 210 Area codes 210 and 726 are telephone area codes in the North American Numbering Plan (NANP) for San Antonio and most of its innermost suburbs in Bexar County in the U.S. state of Texas. The original area code, 210, was created in an area code ...

, making 512 the last of Texas' original four area codes to be split. Typically, the largest city in an existing area code keeps the original code, which in this case would have been San Antonio. However, state regulators decided that having the Austin area keep 512 would spare the large number of state agencies in and around the state capital from the expense and disruption of changing their numbers. On February 13, 1999, the 512 area code was reduced to its current size when the southern portion (including Corpus Christi) became 361. To stave off exhaustion by the end of 2013, area code 737 was introduced as an overlay of 512 in July 2013.

Ten-digit dialing Ten-digit dialing is a telephone dialing procedure in the countries and territories of the North American Numbering Plan (NANP). It is the practice of including the area code of a telephone number when Dialling (telephony), dialing to initiate a t ...

within the 512 territory was phased in beginning December 2012 and made mandatory since June 2013.

Service area

Area codes 512 and 737 serve the following municipalities: *

Austin Austin refers to: Common meanings * Austin, Texas, United States, a city * Austin (given name), a list of people and fictional characters * Austin (surname), a list of people and fictional characters * Austin Motor Company, a British car manufac ...

* Bastrop * Bee Cave *

Bertram Bertram may refer to: Places *Bertram, Western Australia, a suburb of Perth, Australia *Bertram, Iowa, United States, a city *Bertram, Texas, United States, a city *Bertram Glacier, Palmer Land, Antarctica Other uses *Bertram (name), a list of peo ...

* Briggs *

Buchanan Dam The Buchanan Dam () is a multiple arch dam located on the Colorado River of Texas. The dam forms Lake Buchanan and was the first dam to be completed in the chain of Texas Highland Lakes. The dam is used for generating hydroelectric power and ...

Buda Buda (, ) is the part of Budapest, the capital city of Hungary, that lies on the western bank of the Danube. Historically, “Buda” referred only to the royal walled city on Castle Hill (), which was constructed by Béla IV between 1247 and ...

* Burnet * Cedar Creek * Cedar Park * Coupland * Dale * Del Valle *

Driftwood Driftwood is a wood that has been washed onto a shore or beach of a sea, lake, or river by the action of winds, tides or waves. It is part of beach wrack. In some waterfront areas, driftwood is a major nuisance. However, the driftwood provides ...

* Dripping Springs *

Elgin Elgin may refer to: Places Canada * Elgin County, Ontario * Elgin Settlement, a 19th-century community for freed slaves located in present-day North Buxton and South Buxton, Ontario * Elgin, a village in Rideau Lakes, Ontario * Elgin, Manit ...

* Fentress * Georgetown *

Granger Granger may refer to: People and fictional characters * Granger (surname), a list of people and fictional characters * Granger (given name), a list of people and fictional characters * Granger (Tourtechot) (c. 1680s–1734), French physician a ...

* Hutto * Jarrell * Kempner * Kyle * Lakeway *

Lampasas Lampasas ( ) is a city in and the county seat of Lampasas County, Texas, United States. Its population was 7,291 at the 2020 census. Lampasas is part of the Killeen–Temple–Fort Hood metropolitan statistical area. History For his ...

Leander Leander is one of the protagonists in the story of Hero and Leander in Greek mythology. Leander may also refer to: People * Leander (given name) * Leander (surname) Places * Leander, Kentucky, United States, an unincorporated community * L ...

* Liberty Hill * Lockhart * Lometa * Manchaca * Manor * Martindale *

Maxwell Maxwell may refer to: People * Maxwell (surname), including a list of people and fictional characters with the name ** James Clerk Maxwell, mathematician and physicist * Justice Maxwell (disambiguation) * Maxwell baronets, in the Baronetage of N ...

* McDade * McNeil * Muldoon * Pflugerville * Prairie Lea * Rockdale *

Round Rock Round Rock is a city in Williamson County, Texas, Williamson and Travis County, Texas, United States, part of the Greater Austin metropolitan area. Its population is 119,468 according to the 2020 United States Census, 2020 census. The city stra ...

* San Marcos * Smithville *

Spicewood Spicewood is an Unincorporated area#United States, unincorporated community in Travis County, Texas, Travis County and partially in Burnet County, Texas, Burnet County, Texas, United States. According to the Texas Almanac, the community had an est ...

* Staples *

Taylor Taylor, Taylors or Taylor's may refer to: People * Taylor (surname) ** List of people with surname Taylor * Taylor (given name), including Tayla and Taylah * Taylor sept, a branch of Scottish clan Cameron * Justice Taylor (disambiguation) ...

* Thorndale *

Thrall A thrall was a slave or Serfdom, serf in Scandinavia, Scandinavian lands during the Viking Age. The status of slave (, ) contrasts with that of the Franklin (class), freeman (, ) and the nobleman (, ). Etymology Thrall is from the Old Norse ...

* Walburg *

Weir A weir or low-head dam is a barrier across the width of a river that alters the flow characteristics of water and usually results in a change in the height of the water level. Weirs are also used to control the flow of water for outlets of l ...

* Wimberley

In popular culture

In January 1995, Selena Quintanilla released " El Chico del Apartamento 512" (The Guy from Apartment 512). The "512" is a reference to the city of

Corpus Christi, Texas Corpus Christi ( ; ) is a Gulf Coast of the United States, coastal city in the South Texas region of the U.S. state of Texas and the county seat and largest city of Nueces County, Texas, Nueces County with portions extending into Aransas County, T ...

' former area code.

References

External links

List of exchanges from AreaCodeDownload.com, 512 Area Code
{{DEFAULTSORT:Area Code 512

512 __NOTOC__ Year 512 ( DXII) was a leap year starting on Sunday of the Julian calendar. In the Roman Empire, it was known as the Year of the Consulship of Paulus and Moschianus (or, less frequently, year 1265 ''Ab urbe condita''). The deno ...

Service area

In popular culture

See also

References

External links