his strain emerged from the Bay Area of California and that area s telephone area code is the source of its numerical moniker. It s a cross between Sour Diesel, OG Kush and Master Kush. 707 Headband plants flower in 9 to 11 weeks and usually have large yields. An indica dominant hybrid, this strain is known to have high THC levels and can be strong, but it s balanced enough to leave most users feeling heady and creative rather than sleepy. Because of this, it s often used to treat tension and anxiety.