Location - S20-29 TS22N R14E. Established as Eli in 1895 Collinsville is the 2nd oldest community in Tulsa County. Post office established May 26, 1897, as Collins. Its name changed to Collinsville, June 1898. Named for Dr. H. H. Collins, prominent early-day resident. Located 20 miles north of Tulsa. Collinsville's Home page Zip: 74021 (Detailed history TCHS)

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