Ships Companies Ports Documents Distances FAQ Contacts Grenada Time: GMT -4. International dialling code: +1 473. No area codes required, numbers consist of 7 digits. Territorial waters: Grenada claims a limit of 12nm for territorial waters and a limit of 200nm for fisheries jurisdiction. Capital city: St George's. PORT LATITUDE LONGITUDE REMARK UNCTAD TIME ZONE MAX DRAFT MAIN PORT DETAILS Grand Mal Tanker Terminal 12° 05.0' N 061° 45.0' W Sub Port   GMT -4   St George's Details Queen's Park Tanker Terminal 12° 03.0' N 061° 45.0' W Sub Port   GMT -4   St George's Details St George's 12° 03.0' N 061° 45.0' W Port Open GDSTG GMT -4 8.50   Details