Pierce County is a county in the U.S. state of Washington. As of the 2020 census, the population was 921,130, up from 795,225 in 2010, making it the second-most populous county in Washington, behind King County, and the 60th-most populous in the United States. The county seat and largest city is Tacoma. Formed out of Thurston County on December 22, 1852, by the legislature of Oregon Territory, it was named for U.S. President Franklin Pierce. Pierce County is in the Seattle metropolitan area.
The Seattle metropolitan area is an urban conglomeration in the U.S. state of Washington that comprises Seattle, its surrounding satellites and suburbs. It contains the three most populous counties in the state—King, Pierce, and Snohomish — and is considered part of the greater Puget Sound region. The United States Census Bureau defines the metropolitan area as the Seattle–Tacoma–Bellevue, WA metropolitan statistical area. With an estimated population of 4,102,400 as of 2022, it is the 15th largest metropolitan statistical area (MSA) in the United States and is home to over half of Washington's population.
Area codes 315 and 680 are telephone area codes of the North American Numbering Plan (NANP) for the north-central area of the U.S. state of New York. Area code 315 was installed as one of the original North American area codes in 1947, while area code 680 was added to the numbering plan area (NPA) in an overlay plan in 2017.
Area codes 920 and 274 are telephone area codes in the North American Numbering Plan (NANP) for a large area of eastern Wisconsin. Area code 920 was created on July 26, 1997, in a split of area code 414, one of the original North American area codes of 1947. 274 was added to the same numbering plan area (NPA) on May 5, 2023 to create an area code overlay.
Area code 352 is a NANPA telephone dialing area around Gainesville, Florida. It was split from area code 904 in 1995.
Area code 218 is a telephone area code in the North American Numbering Plan (NANP) for the northern part of the U.S. state of Minnesota. It is assigned to the largest of Minnesota's original two numbering plan areas (NPAs), although its geographical boundaries have been modified since inception. It comprises roughly the northern half of the state, and includes the cities of Duluth, Hibbing, Brainerd, Bemidji, Fergus Falls, and Moorhead.
Area code 564 is a telephone area code in the North American Numbering Plan (NANP) for Western Washington state, outside metropolitan Seattle. The area code was first proposed in 1999 to relieve telephone number shortages in area code 360, but implementation was delayed until 2017, when it was installed as an overlay that comprises only the numbering plan area 360. Neighboring area codes 206, 253, and 425 are slated for expansion of the overlay complex upon exhaustion of central office codes in each NPA. Ten-digit dialing has been mandatory in all of western Washington since July 29, 2017.
State Route 18 (SR 18) is a 28.41-mile-long (45.72 km) state highway in the U.S. state of Washington, serving southeastern King County. The highway travels northeast, primarily as a controlled-access freeway, from an intersection with SR 99 and an interchange with Interstate 5 (I-5) in Federal Way through the cities of Auburn, Kent, Covington, and Maple Valley. SR 18 becomes a two-lane rural highway near Tiger Mountain as it approaches its eastern terminus, an interchange with I-90 near the cities of Snoqualmie and North Bend.
Area code 262 is a telephone area code in the North American Numbering Plan (NANP) for southeastern Wisconsin, and was created on September 25, 1999, in an area code split of area code 414. The numbering plan area comprises most suburbs of Milwaukee, but not Milwaukee County.
Area code 435 is a telephone area code in the North American Numbering Plan (NANP) for most of the U.S. state of Utah. The numbering plan area excludes the region of the Wasatch Front, which comprises the Salt Lake City, Ogden, and Provo metropolitan areas in northern Utah, and is served by area codes 801 and 385. Area code 435 was created in 1997 in a split of 801.
Area code 530 is a telephone area code in the North American Numbering Plan (NANP) in northeastern and Northern California. It was created in 1997 in an area code split of 916.
Area codes 217 and 447 are telephone area codes in the North American Numbering Plan (NANP) for much of the central part of the U.S. state of Illinois. The numbering plan area (NPA) includes the state capital, Springfield, and Champaign, Urbana, Decatur, Taylorville, Danville, Effingham, Quincy, Rantoul, and Jacksonville. 217 was one of the original North American area codes created in 1947 and 447 was added to the same area in 2021 to form an all-services overlay.
Area code 206 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. state of Washington. The numbering plan area (NPA) includes Seattle and most of its innermost suburbs. This includes such suburbs as Shoreline and Lake Forest Park; Mercer, Bainbridge, and Vashon Islands; and portions of metropolitan Seattle from Des Moines to Woodway.
Area code 360 is a telephone area code in the North American Numbering Plan (NANP) for western Washington state outside metropolitan Seattle and west of the Cascade Mountains. Its numbering plan area (NPA) comprises all of western Washington outside urban King, Pierce, and Snohomish counties and Bainbridge Island, Until January 15, 1995, when the area code commenced service, the numbering plan area (NPA) was served by area code 206, Washington's original area code since 1947.
Area code 425 is a telephone area code in the North American Numbering Plan (NANP) for the suburbs north and east of Seattle in the U.S. state of Washington. The numbering plan area includes the Eastside, extending east to North Bend, north to Everett, and south to Maple Valley. It also includes the city of Bellevue, Seattle's largest suburb. The area code was created in 1997 in a three-way split of area code 206.
Area codes 248 and 947 are area codes in the North American Numbering Plan (NANP) for Oakland County in the U.S. state of Michigan. The area codes also serve portions of Livonia and Northville, both located in Wayne County. The rest of Wayne County, including Detroit, located to the southeast, is serviced by area codes 313 and 734.
Area code 785 is the area code for telephone exchanges in most of northern Kansas. It was created in a split of the numbering plan area 913 on July 20, 1997, and stretches from the Colorado state line on the west to the Missouri state line on the east, while excluding the Kansas side of the Kansas City metropolitan area, which retained 913. The largest city by population in the numbering plan area is the Kansas state capital, Topeka.
Area codes 309 and 861 are telephone area codes in the North American Numbering Plan (NANP) for the west-central part of the U.S. state of Illinois. The numbering plan area includes cities such as Bloomington, Canton, East Moline, East Peoria, Galesburg, Kewanee, Macomb, Minonk, Moline, Morton, Normal, Pekin, Peoria, Rock Island, Silvis, and many smaller communities in west-central Illinois. Area code 309 was created in 1957 in an split of area code 815. 861 was added to the numbering plan area on February 24, 2023, in formation of an overlay.
Area code 440 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. state of Ohio, serving the parts of the Greater Cleveland area, surrounding the city of Cleveland, but not the city and most of its inner suburbs.
