Area code 716 is a telephone area code in the North American Numbering Plan (NANP) for Buffalo, Niagara Falls, and four surrounding counties in western New York.
Area codes 314 and 557 serve St. Louis and most of its inner-ring suburbs in neighboring St. Louis County. The area is completely surrounded to the west by area code 636, which serves St. Louis' outer suburbs to the west, south, and north. Across the Mississippi River to the east, 314 borders area code 618, which serves southern Illinois and most of Metro East. 557 was implemented on August 12, 2022 as an overlay to area code 314.
Ten-digit dialing is a telephone dialing procedure in the countries and territories that are members of the North American Numbering Plan (NANP). It is the practice of including the area code of a telephone number when dialing to initiate a telephone call. When necessary, the ten-digit number may be prefixed with the trunk code 1, which is referred to as 1+10-digit dialing or national format.
Area code 561 is a telephone area code in the North American Numbering Plan (NANP) for Palm Beach County in the U.S. state of Florida. It was created on May 13, 1996, in a split of area code 407. The numbering plan area (NPA) comprises nearly every major city in the county, the largest of which being West Palm Beach, Boca Raton, Wellington, Boynton Beach, Jupiter, Delray Beach, and Belle Glade.
Area code 914 is the telephone area code in the North American Numbering Plan (NANP) for Westchester County, New York.
Area code 808 is a telephone area code in the North American Numbering Plan (NANP) for the Hawaiian Islands, comprising the windward and the leeward islands. The code was assigned to Hawaii on August 8, 1957, about two years before statehood on August 21, 1959.
Area code 414 is a telephone area code of the North American Numbering Plan for the area around and including the city of Milwaukee in the state of Wisconsin.
North American telephone area code 262 covers much of Southeastern Wisconsin, and was created on September 25, 1999, when it was split from area code 414. It covers most of the suburbs of Milwaukee, but not Milwaukee County itself.
Area code 516 is a telephone area code of the North American Numbering Plan (NANP) in the U.S. state of New York. The numbering plan area (NPA) comprises the Nassau County portion of Long Island.
Area code 804 is the telephone area code in the North American Numbering Plan (NANP) for the east-central portion of Virginia. The numbering plan area is anchored by Virginia's capital, Richmond, and includes most of its metropolitan area. Other communities included are Chesterfield, Henrico, Hopewell, Mechanicsville, Powhatan, Midlothian, Petersburg, and Colonial Heights. This also includes the Northern Neck and the Middle Peninsula. The two southernmost counties on the Middle Peninsula, Gloucester and Mathews, are part of the Hampton Roads metropolitan area, but use 804 instead of the area code 757 used by the rest of Hampton Roads.
The 608 area code covers much of southwestern Wisconsin, including the capital city of Madison as well as the cities of Waunakee, Mount Horeb, Verona, Sun Prairie, Monroe, Platteville, Lancaster, Lodi, Portage, Baraboo, Wisconsin Dells, Beloit, Janesville, La Crosse, Prairie du Chien, Prairie du Sac, Sauk City, Viroqua and Sparta. It was created in 1955 as a split from area code 414, and was the third area code created in Wisconsin. Rapid growth of the area has brought the 608 area code close to exhaustion with most recent projections from NANPA projecting the need for an overlay code by late 2023.
Area code 856 is a telephone area code in the North American Numbering Plan (NANP) for the southwestern part of the U.S. state of New Jersey. The numbering plan area (NPA) includes the Camden, Cherry Hill, and Vineland areas, as well as a small part of Willingboro Township, and the western part of Burlington County. 856 is essentially coextensive with the New Jersey side of the Philadelphia metropolitan area.
Area code 513 is a telephone area code in the North American Numbering Plan (NANP) for the southwest of the U.S. state of Ohio, including Cincinnati and surrounding cities, such as Forest Park, Hamilton, Lebanon, West Chester, Mason, Maineville, Middletown, Milford, Norwood, Oxford, Harrison, Cleves, Miamitown, and Trenton.
Area code 515 is a telephone area code in the North American Numbering Plan (NANP) for most of the north-central part of the U.S. state of Iowa. The numbering plan area includes Des Moines, Ames, Ankeny, Humboldt, Boone, Fort Dodge, Jefferson, Johnston, Urbandale, Algona and Indianola.
Area code 816 is a telephone area code in the North American Numbering Plan (NANP) for Kansas City, St. Joseph, and all or part of 15 surrounding counties in northwestern Missouri. The numbering plan area originally covered most of the northern and western two-thirds of the state, bordering with Arkansas, Illinois, Iowa, Kansas, Nebraska, and Oklahoma, but has been reduced so that it only serves a ribbon bordering Kansas. 816 is one of the original 86 area codes created by AT&T and the Bell System in 1947.
Area code 912 is a telephone area code in the North American Numbering Plan (NANP) for the southeastern part of the U.S. state of Georgia. The numbering plan area contains Savannah, Richmond Hill, Hinesville, Vidalia, Metter, Reidsville, Homerville, Waycross, Brunswick, Folkston, Douglas, Statesboro, Ludowici, Jesup and Kingsland. The area code was created in 1954 in an area code split from area code 404, which had been assigned to the entire state in 1947.
Area code 417 serves the southwestern quadrant of Missouri, including the cities of Branson, Carl Junction, Carthage, Joplin, Lebanon, Neosho, Nixa, Ozark, Springfield, and West Plains. Missouri was originally slated to receive only two area codes. 314 served the eastern part of the state from St. Louis to Jefferson City, while 816 was to serve all points west of Jefferson City, including Kansas City and Springfield. In 1951, 816 was reduced to Kansas City and the northwest, while southwest Missouri was assigned 417.
Area code 731 is a telephone area code in the North American Numbering Plan (NANP) for the western part of the U.S. state of Tennessee.
The area code 671 is the local telephone area code of the United States territory of Guam. It was created with the beginning of permissive dialing on July 1, 1997, replacing Guam's previous International Telecommunication Union country code 671 at the end of permissive dialing on July 1, 1998.
Area code 575 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. state of New Mexico. The numbering plan area (NPA) comprises the remainder of the state outside the Albuquerque, Santa Fe, Farmington, and Gallup metropolitan and micropolitan areas, which use area code 505.
