What are the Gpo, Puerto Rico Zip Codes for 2020, 2019Primary Zip Codes for GpoZip CodePrimary CitySecondary City00936San JuanGpo, Caparra Heights, Fort Buchanan, San Jose, Barrio Obrero, Caparra, Cupey, Loiza Street, Minillas, Old San Juan, Rio Piedras, Santurce, Santurce Station, 65th InfantryCities sharing Zip Codes with GpoZip CodePrimary CitySecondary CityMore Information00936San JuanBarrio Obrero00936San JuanCaparra00936San JuanCupey00936San JuanGpo00936San JuanLoiza Street00936San JuanMinillas00936San JuanOld San Juan00936San JuanRio Piedras00936San JuanSanturce00936San JuanSanturce Station00936San Juan65th Infantry00936San JuanCaparra Heights00936San JuanFort Buchanan00936San JuanSan Jose San Jose population stats Advertisements