I've been watching a lot of Sex & the City. I used to be a total hater about TV. Oh, how the righteous fall.
Carrie - I'm pretty sure that she's an introvert, just a pretty social one. Pretty positive that she's NF. INFJ. Sometimes she seems kind of ENFP... but never INFP and probably not ENFJ.
Miranda - INTJ, all day every day.
Charlotte - ESFJ, maybe ISFJ. Probably ESFJ.
Samantha - ESTP
Mr. Big - ISTP or INTJ. ENTJ?
Aiden - INFP
Harry Goldenblatt - ENFP?
Trey McDougall - ISTJ?
Smith Jarrod - INFJ?
Stanford - INTP
Steve - ESFP