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Area codes 918 and 539 are telephone area codes serving Tulsa and northeast Oklahoma. Besides Tulsa, these area codes cover cities such as Bartlesville, Broken Arrow, Claremore, Gore, Jenks, McAlester, Muskogee, Okmulgee, Pryor, Sapulpa, Tahlequah, and northeastern Oklahoma. Area code 918 was created in 1953 as a split from area code 405.
Map of Oklahoma with area code boundaries. The state of Oklahoma is served by the following area codes: 405/572: Central Oklahoma including Oklahoma City (original area code created in 1947; 572 added as overlay on April 24, 2021 [1] [2] [3] 580: Western and southern Oklahoma (split from 405 in 1997)
The Tulsa metropolitan area is the economic engine of the Green Country as well as Eastern Oklahoma. In 2017 the Tulsa metropolitan area's GDP was $57.7 billion, [18] up from 43.4 billion in 2009, nearly thirty percent of Oklahoma's economy, and the 53rd largest in the nation. [19]
Lake Yahola is a reservoir in Tulsa, Oklahoma. [3] The reservoir was completed in 1924. Its primary purpose is to store raw water for treatment and distribution. This city-owned, 2-billion-US-gallon (7,600,000 m 3), concrete-lined lake is an integral part of the Tulsa water supply, and receives water by pipeline from Lake Spavinaw.
This is an incomplete list of Oklahoma state agencies. The state agencies make up the machinery of government for the state. All agencies are within one of the three branches of the government of Oklahoma .
Drinking water quality in the U.S. is regulated by state and federal laws and codes, which set maximum contaminant levels (MCLs) and Treatment Technique requirements for some pollutants and naturally occurring constituents, determine various operational requirements, require public notification for violation of standards, provide guidance to ...
Tulsa (/ ˈ t ʌ l s ə / TUL-sə) is the second-most-populous city in the state of Oklahoma, after Oklahoma City, and the 48th-most-populous city in the United States. The population was 413,066 as of the 2020 census. [5]
Okmulgee is a city in and the county seat of Okmulgee County, Oklahoma, United States, and is part of the Tulsa Metropolitan Area. [4] The name is from the Muskogee word okimulgi, which means "boiling waters". [5] The site was chosen because of the nearby rivers and springs. Okmulgee is 38 miles south of Tulsa and 13 miles north of Henryetta ...