227 Area Code
The 227 area code is a telephone area code serving the western part of Maryland.
Federal Data
State Data
County Data
City Data
The 227 area code is a telephone area code serving the western part of Maryland.
Federal Data
State Data
County Data
City Data
The 227 area code covers the western part of Maryland, including the Greater Washington, D.C. metro area and rural western Maryland.
Area code 227 is an overlay to area codes 301 and 240. Area code 301 was created in 1947, 240 was added in 1997, and 227 was introduced on June 14, 2023. Ten-digit dialing is required for all local calls within this region.
Area code 227 is a general purpose code which was placed in service on June 14, 2023.
Our Maryland phone number lookup service will analyze the three-digit prefix of any 227 area code phone number and will show which telecommunications company and rate center it was initially assigned to. This prefix code data may help to determine the U.S. carrier, Maryland geographic region, and local calling area associated with the phone number.
| Company | Number of Prefixes |
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| Rate Center | Number of Prefixes |
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