Tough question to answer without more information. What are your other factors (work experience, undergraduate performance?) What are your goals?

Start by looking at the GMAT tiers post from Duncan:

https://find-mba.com/board/gmat/gmat-tiers-strong-schools-for-your-gmat-23247

Generically, top MBA programs in the US that have GMAT scores around 650 as an average in no particular order:
George Washington
Rutgers
Purdue
UC Irvine
North Carolina State
Texas A&M
Georgia Terry
Temple Fox

Hey man thanks. I have 4 years of work experience at a marketing firm. My undergraduate performance was fine, my overall GPA was 3.5 at a state school. In terms of goals, I aim to stay in marketing, moving into a bigger market so to speak (I'm in a smallish town.) I was actually looking at Rutgers because it's in the NYC area and seems to be good for marketing. What do you think?

Looks like Rutgers would be a good choice for marketing:

https://find-mba.com/lists/top-business-school-by-speciality/top-business-schools-for-marketing

If you could get up to 700 on the GMAT you'd have some other interesting options, such as Wisconsin.

I've taken the GMAT 3 times now and I doubt I can my score up to 700. Rutgers is becoming more and more a favorite.

Not a bad school. Maybe you could also apply to a reach school - like Wisconsin, maybe - as well as a 'safety' school to hedge your bets a bit.