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area code

Biggest city:





Central (GMT -6)

Nearby area codes: 

Zip codes



Major Cities:

Round Rock, Cedar Park, Georgetown, Pflugerville, San Marcos


Average Income:





Unemployment Rate:

The 512 area code, serving Austin, Texas, and its surrounding areas, holds significant historical and cultural relevance. Historical Significance: Area code 512 was one of the original area codes established in October 1947, marking its historical importance. It was among the first set of area codes introduced in the North American Numbering Plan, covering a substantial part of south-central Texas at the time of its inception​​. Geographical Coverage: The 512 area code predominantly serves the state of Texas, with Austin being the largest city under its coverage. This area includes several counties such as Bastrop, Burnet, Caldwell, Hays, Travis, Milam, and Williamson, enveloping a significant portion of Central Texas​​​​. Economic and Cultural Impact: Known as the Austin area code, 512 plays a vital role in establishing a local presence in Austin, which is a major hub for the tech industry. This area code has been instrumental in the city's communication network, supporting its growth and development as a significant economic and cultural center in Texas​​. In conclusion, the 512 area code is not just a numerical identifier; it represents a rich history, a wide geographical coverage in Central Texas, and a crucial role in the economic and cultural fabric of Austin. This area code, established in the mid-20th century, continues to be an integral part of the region's identity and development.
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