Question: What is the area code of the 50th state to join the United States?

full_context: Document 1: Area code 808: 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.
Document 2: Hawaii (island): Hawaiʻi The Big Island Landsat mosaic, 1999 -- 2001 Location in the state of Hawaii Geography Location 19 ° 34 ′ N 155 ° 30 ′ W ﻿ / ﻿ 19.567 ° N 155.500 ° W ﻿ / 19.567; - 155.500 Archipelago Hawaiian Islands Area 4,028 sq mi (10,430 km) Area rank 75th, largest island in the United States - 1st Highest elevation 13,803 ft (4,207.2 m) Highest point Mauna Kea Administration United States State Hawaii Symbols Flower Red Pua Lehua (ʻOhiʻa blossom) Color ʻUlaʻula (red) Largest settlement Hilo Demographics Population 185,079 (2010) Pop. density 46 / sq mi (17.8 / km)
Document 3: Interstate H-1: Interstate H-1 (abbreviated H-1) is the longest and busiest Interstate Highway in the US state of Hawaii. The highway is located on the island of O‘ahu. Despite the number, this is an east–west highway; the 'H'-series (for Hawaii) numbering reflects the order in which routes were funded and built. H-1 goes from Route 93 (Farrington Highway) in Kapolei to Route 72 (Kalanianaole Highway) in Kāhala. East of Middle Street in Honolulu (exit 19A), H-1 is also known as the "Lunalilo Freeway" and is sometimes signed as such at older signs in central Honolulu. West of Middle Street, H-1 is also known as the "Queen Liliuokalani Freeway"; this name is shown on some roadmaps. It is both the southernmost and westernmost signed Interstate Highway in the United States.
Document 4: 51st state: Before Alaska and Hawaii became states of the United States in 1959, the corresponding expression was ``the 49th state ''.
Document 5: Hawaiian Islands: The Hawaiian Islands (Hawaiian: Mokupuni o Hawai'i) are an archipelago of eight major islands, several atolls, numerous smaller islets, and seamounts in the North Pacific Ocean, extending some 1,500 miles (2,400 kilometers) from the island of Hawai ʻi in the south to northernmost Kure Atoll. Formerly the group was known to Europeans and Americans as the ``Sandwich Islands '', a name chosen by James Cook in honor of the then First Lord of the Admiralty John Montagu, 4th Earl of Sandwich. The contemporary name is derived from the name of the largest island, Hawaii Island.
Document 6: List of states and territories of the United States: The United States of America is a federal republic consisting of 50 states, a federal district (Washington, D.C., the capital city of the United States), five major territories, and various minor islands. The 48 contiguous states and Washington, D.C., are in central North America between Canada and Mexico; the two other states, Alaska and Hawaii, are in the northwestern part of North America and an archipelago in the mid-Pacific, respectively, while the territories are scattered throughout the Pacific Ocean and the Caribbean Sea.
Document 7: Hawaii: The Kingdom of Hawai ʻi was sovereign from 1810 until 1893 when the monarchy was overthrown by resident American and European capitalists and landholders. Hawaii was an independent republic from 1894 until August 12, 1898, when it officially became a territory of the United States. Hawaii was admitted as a U.S. state on August 21, 1959.
Document 8: Alaska: Alaska is the northernmost and westernmost state in the United States and has the most easterly longitude in the United States because the Aleutian Islands extend into the eastern hemisphere. Alaska is the only non-contiguous U.S. state on continental North America; about 500 miles (800 km) of British Columbia (Canada) separates Alaska from Washington. It is technically part of the continental U.S., but is sometimes not included in colloquial use; Alaska is not part of the contiguous U.S., often called "the Lower 48". The capital city, Juneau, is situated on the mainland of the North American continent but is not connected by road to the rest of the North American highway system.
Document 9: Area codes 508 and 774: Area codes 508 and 774 are North American Numbering Plan (NANP) telephone area codes for the U.S. state of Massachusetts. This service area currently includes south - central and most of southeastern Massachusetts (LATA code 128). It includes Worcester, Outer south & southwest Greater Boston (such as the MetroWest region), as well as Fall River, New Bedford, Cape Cod, Martha's Vineyard, and Nantucket.
Document 10: Area codes 978 and 351: Area code 978 was created as a split from area code 508 on September 1, 1997 and covers north central and most of northeastern Massachusetts (LATA code 128). Use of 978 became mandatory February 1, 1998. Prior to when this area was served by 508 (July 1988), it was served only by the 617 area code, along with the rest of the eastern two - thirds of the state. 351 has been sharing the service area since May 2, 2001. Since then, 10 digit local dialing is mandatory.
Document 11: Area codes 304 and 681: 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.
Document 12: Hawaii: Hawaii (English: / həˈwaɪ. i, - ji, - ʔi / (listen) hə - WY - (y) ee; Hawaiian: Hawai ʻi (həˈvɐjʔi)) is the 50th and most recent state to have joined the United States of America, having received statehood on August 21, 1959. Hawaii is the only U.S. state located in Oceania and the only one composed entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean. Hawaii is the only U.S. state located outside North America.
Document 13: Wake Island: With the annexation of Hawaii in 1898 and the seizure of Guam and the Philippines during the Spanish -- American War that same year, the United States began to consider unclaimed and uninhabited Wake Island, located approximately halfway between Honolulu and Manila, as a good location for a telegraph cable station and coaling station for refueling warships of the rapidly expanding United States Navy and passing merchant and passenger steamships. On July 4, 1898, United States Army Brigadier General Francis V. Greene of the 2nd Brigade, Philippine Expeditionary Force, of the Eighth Army Corps, stopped at Wake Island and raised the American flag while en route to the Philippines on the steamship liner SS China.
Document 14: Telephone numbers in Hong Kong: 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.
Document 15: Area codes 208 and 986: Area codes 208 and 986 are the North American telephone area codes for all of Idaho. 208 is the main area code, and is one of the 86 original area codes created in 1947. It was Idaho's sole area code until 2017, when 986 was added as an overlay for the entire state.
ground_truth: 808
sub_queries: which of these was the 50th state to join the united states Answer: Hawaii
what is the area code for the state of Hawaii Answer: 808