Tre-Fo is a slang nickname for Winston-Salem, North Carolina. The reason 34 is the first two digits of Winston-Salem's inmate numbers is because it is the 34th prison district (which is the main reason Winston is called the tre-fo).
I be on it all night, man I be on it

All day straight up pimp

If you want me you can find me in da

TRE-FO!
by Jaspy4L July 30, 2009
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In North Carolina, tre-fo (34) is slang for Winston-Salem, which has the third biggest crime rate in the 4th largest city. Ironically, its also the first two digits of Winston-Salem inmate numbers
Joki Brown : Yo dude, where you at?
OC Wardlow : The tre-fo bitch, where the fuck else?!?
by James Farrow July 8, 2006
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