These are some of your universal blood tattoos. Below I will give examples of numbers and letters that will specify an area, a specific set and codes used by blood gang members. GKB - This represents “Gangsta Killa Blood”, also referred to as G-Shyne BHB - Bounty Hunter Blood SMM - Sex Money Murder GMB - Get Money Boys/Bloods TTP - Tree Top Piru 804 - Virginia Area Code (Richmond Area) 757 - Virginia Area Code (Tidewater Area) 311 - Third letter of the alphabet is “C” and th