Ships Companies Ports Documents Distances FAQ Contacts Montserrat Time: GMT -4. International dialling code: +1 664. Territorial waters: Around Montserrat, the United Kingdom claims a limit of 3nm for territorial waters and a limit of 200nm for fisheries jurisdiction. Capital city: Plymouth. PORT LATITUDE LONGITUDE REMARK UNCTAD TIME ZONE MAX DRAFT MAIN PORT DETAILS Plymouth 16° 42.0' N 062° 13.0' W Port Open MSPLY GMT -4 7.90   Details