Area code 212 was brought into effect on January 1, 1947.
Counties in Area Code 212
- New York.
Most Populous Cities in Area Code 212
|City||County||City Population||Time Zone|
|New York City||New York||1,610,434||EST|
Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.
View all United States Area Codes.
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