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240 Area Code, Where is Area Code 240?

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  2. Maryland
  3. 240 Area Code

240 Area Code is part of 10 counties in the state of Maryland. There are around 9 cities and 83 other places such as towns, cdps and villages in the 240 area code. Area code 240 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. state of Maryland. Below you will find more info about Code and also zip codes, counties, cities and the post offices that belong to this Area Code.

Counties that Use 240 Area Code

240 Area Code covers 10 Counties

Major Cities that Use 240 Area Code

240 Area Code covers 9 Major Cities

All Places, Towns or Villages that Use 240 Area Code

240 Area Code covers 83 Towns, Villages or other places

Sources: North American Numbering Plan Administration (NANPA), telecom providers, and the U.S. Census Bureau.