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Area code 301 was the first area code for all of Maryland, from 1947, when the area code system was created, until 1991, when everything from Baltimore eastward split off as area code 410. In 1997, area code 240 was added as an overlay area code for the 301 territory. On June 14, 2023, a third overlay code, 227, was added to provide more ...
The blue area is assigned area codes 301, 240, and 227; the red area is area codes 410, 443 and 667. The state of Maryland is served by the following area codes: Area codes. Numbering plan area. 227.
Area codes 202 and 771. Coordinates: 38°54′N 77°2′W. The red area is the District of Columbia, served by area codes 202 and 771. Area codes 202 and 771 are telephone area codes in the North American Numbering Plan (NANP) for Washington, D.C. Area code 202 was one of the original North American area codes established in October 1947 by AT&T.
24-47125. GNIS feature ID. 1710221. U.S. Registered Historic District. Linthicum is a census-designated place (CDP) and unincorporated community in Anne Arundel County, Maryland, United States. The population was 10,324 at the 2010 census. [2] It is located directly north of Baltimore–Washington International Thurgood Marshall Airport (BWI).
Contributions can grow tax-free and then can be withdrawn tax-free starting at age 59 ½. A 401 (k) has a maximum annual contribution amount, which is $23,000 in 2024. Those age 50 and older can ...
In 1961, the company changed its name to Automatic Data Processing, Inc. (ADP), and began using punched card machines, check printing machines, and mainframe computers. ADP went public in 1961 with 300 clients, 125 employees, and revenues of approximately US$400,000. [3] The company established a subsidiary in the United Kingdom in 1965.
The population of the entire Washington–Baltimore Combined Statistical Area as of the 2020 census was 9,973,383. The area's most-populous city is Washington, D.C. with a population of 689,545, and the area's most populous county is Fairfax County, Virginia, with a population of 1,150,309. [9]
United States portal. v. t. e. Maryland is the richest state in the United States of America, with a median household income of $69,272 according to the 2010 census. [1] Per capita income was $25,615 in 2000 and personal per capita income was $37,331 in 2003.