paragraph_text: North American telephone area code 304 was established October 1947 as one of the original area codes, and serves all of the U.S. state of West Virginia. It was overlaid with area code 681, effective March 28, 2009.

paragraph_text: Williamson is an Upstate New York town on the south shore of Lake Ontario in the northwest part of Wayne County, New York, in the United States. The population was 6,984 at the time of the 2010 census. The town is named after Charles Williamson, a land agent of the Pultney Estate. Its primary ZIP code is 14589, and telephone exchanges 589 and 904 in area code 315.

paragraph_text: Area code 207 is the North American telephone area code for the state of Maine, excluding Estcourt Station which uses Quebec province's overlay of 418 and 581.

paragraph_text: Hamilton City (formerly, Hamilton) is a census-designated place (CDP) in Glenn County, California, United States. The population was 1,759 at the 2010 census, down from 1,903 at the 2000 census. Hamilton City is located east of Orland, and 10 miles west of Chico at an elevation of 151 feet (46 m). The community is inside area code 530. The default prefix used for wired telephones in the Hamilton City area is 826. The postal ZIP Code is 95951.

paragraph_text: North American area code 509 is the telephone area code for the eastern two-thirds of Washington. The western boundary of 509 roughly follows the Cascades. The 509 area includes Spokane, the Tri-Cities (Richland, Pasco, and Kennewick), Ellensburg, Yakima, Walla Walla, and Wenatchee. The 509 code was created in a split from 206, originally the area code for all of Washington, in a flash-cut on January 1, 1957.

paragraph_text: North American telephone area codes 715 and 534 are state of Wisconsin area codes covering most of the northern part of the state.

paragraph_text: West Virginia Illusion was an American women’s soccer team, founded in 2008, which is a member of the United Soccer Leagues W-League. The Illusion played in the Atlantic Division of the Eastern Conference. The team folded after the 2008 season.

paragraph_text: Area code 604 is a telephone area code that serves southwestern British Columbia: the Lower Mainland, Sunshine Coast, Howe Sound / Sea to Sky Corridor, Fraser Valley and the lower Fraser Canyon regions. It primarily serves the city of Vancouver and surrounding regions.

paragraph_text: Area code 951 is a California telephone area code that was split from area code 909 on July 17, 2004. It covers western Riverside County, including, Beaumont, Corona, Canyon Lake, Riverside, Temescal Canyon, Woodcrest, Arlington, Mira Loma, Moreno Valley, Perris, Sun City, Lake Elsinore, Wildomar, Murrieta, Temecula, San Jacinto, Hemet, Lakeview, Nuevo, Norco, Banning, Eastvale, Quail Valley, and Idyllwild.

paragraph_text: Area codes 587 and 825 are telephone area codes that cover all of Alberta, Canada, in addition to the incumbent codes, southern Alberta's 403 and northern Alberta's 780. Numbers in area code 587 started being allocated in late 2008. The new area codes overlay 403 and 780 simultaneously, covering the entire province, and make 10 - digit dialing necessary throughout Alberta.

paragraph_text: In Australia, as in other countries, due to the increase in subscriber uptake of services such as extra telephone lines in homes, mobile phones and other services, the previous numbering plan was being stretched to its limit. It was decided to reduce the number of area codes and lengthen all subscriber numbers by one or two digits. This occurred between 1994 and 1998, and was done progressively to ensure as little inconvenience and confusion as possible. The gradual change was also to avoid number clashes, a situation where two subscribers in two completely different locations have technically the same telephone number if dialled in their entirety. The first numbers to be converted to eight digits were numbers in the 99x xxxx and 99 xxxx ranges in the suburb of Mona Vale in Sydney, which all became 999x xxxx or 9999 xxxx on 25 July 1994. The final codes changed to eight digits were the Queensland (070), (071), (076), (077) and (079) codes, which all changed to (07) 4yxx xxxx on 10 November 1997.

paragraph_text: Area code 252 designates a telephone number plan area (NPA) in the North American Numbering Plan that consists of the northeastern corner of the State of North Carolina, and includes the municipalities of Kinston, Elizabeth City, Greenville, Henderson, Kitty Hawk, New Bern, Roanoke Rapids, Rocky Mount, Morehead City and Wilson. It was split from area code 919 on March 22, 1998.

paragraph_text: North American area code 956 is a state of Texas telephone area code for numbers in the Brownsville, McAllen, Laredo and South Padre Island areas. It was created May 25, 1997, in a split from area code 210.

paragraph_text: Frewsburg is a hamlet and census-designated place in the town of Carroll in Chautauqua County, New York, United States. The population was 1,906 at the 2010 census. The ZIP code is 14738 and the telephone exchange (which extends past Carroll and well into South Valley and Kennedy is 569 (in area code 716).

paragraph_text: The Swiss telephone numbering plan implements the ITU - T recommendation E. 164 and is designated E. 164 / 2002, based on its last major revision in 2002. It is a closed numbering plan, which means that all telephone numbers, including the area code, have a fixed number of digits. Swiss area codes are officially termed national destination codes (NDC). A complete telephone number consists of ten digits: 0xx xxx xx xx. Two formats are distinguished: three digits for the NDC and seven digits for the subscriber number, and four digits for the NDC and six digits for the subscriber number. However, a few exceptions exist.

paragraph_text: North American area code 607 is a state of New York telephone area code servicing parts of its Southern Tier (which borders Pennsylvania). It was split from parts of area codes 315 and 716 in 1954. Initially, in the late 1940s, area codes with a middle digit of ``0 ''(x0x - xxx - xxxx) were assigned only to jurisdictions covering an entire state. Along with 507 in Minnesota and 606 in Kentucky, 607 was among the first such area codes to be added to a jurisdiction.

paragraph_text: The Jastrow illusion is an optical illusion attributed to the Polish-American psychologist Joseph Jastrow. This optical illusion is known under different names: Ring-Segment illusion, Jastrow illusion, Wundt area illusion or Wundt-Jastrow illusion.

paragraph_text: The 808 telephone area code covers the inhabited, developed and uninhabited areas of the Hawaiian Islands out to Midway Island and Wake Island. 808 was issued as Hawaii's area code in 1957, not long before its statehood in August of 1959.

paragraph_text: Telephone numbers in Hong Kong are mostly eight - digit. Fixed land line numbers start with 2 or 3, Mobile (cellular) phone numbers with 5, 6 or 9, pager numbers with 7 and forwarding service with 8. Since the end of 1989, there have been no area codes within Hong Kong.

paragraph_text: North American area code 931 is the telephone area code serving a horseshoe - shaped region of 28 counties in Middle Tennessee. It covers almost all of Middle Tennessee except for the Nashville metropolitan area.

Question: What league had the Illusion, located in the state where the 304 area code is found?
Answer: W-League