512 is one of the area codes for the area surrounding Austin, Texas. Area codes in the US are not specific to cell phones or land lines.
That depends on your telephone company and possibly on the make and model of your phone.
From the introduction of area codes in 1947 until 1992, San Antonio, Texas, was in area code 512. San Antonio is now in area code 210.
There are many different cities that are served by the 512 area code. These cities include, Austin, Bertram, Kyle and Leander. One can find a complete list of the cities from area code websites or the 512 area code Wikipedia entry.
213
In North America (USA, Canada, etc.), area code +1 512 is the area around Austin, Texas, USA. The 512-753 prefix serves San Marcos, Texas.
The country code and area code of Innsbruck, Austria is 43, (0)512.
The country code and area code of Peqin, Albania is 355, (0)512.
The country code and area code of Drachten, Netherlands is 31, (0)512.
US area code 512 (Austin, Texas) is in the Central Time Zone - 6 hours behind London, 1 hour behind New York.
The country code and area code of San Bernardino, Paraguay is 595, (0)512.
The country code and area code of Vara-Nossebro, Sweden is 46, (0)512.
The area code 412 is a Pennsylvania telephone area code. The exact area is the Commonwealth of Pennsylvania which is located in Allegheny County in Pennsylvania.