Didn't beat it (670) 42 Q 40 V / when can I retake?

Firstly, took the GMAT today and did not get the score I wanted (700+). When is the soonest I can retake this exam? I thought I read on the board that it is done by calendar months and you can take it ASAP next month (i.e. took it today, can take March 1st). I called the gmat number and they said I ...