What are the Rtp, North Carolina Zip Codes for 2020, 2019Primary Zip Codes for RtpZip CodePrimary CitySecondary City27709DurhamRtp, Research Triangle Park,27711DurhamRtp, E P A, Research Triangle Pk, Research Triangle Park,Cities sharing Zip Codes with RtpZip CodePrimary CitySecondary CityMore Information27709DurhamResearch Triangle Park27709DurhamRtp27711DurhamResearch Triangle Park27711DurhamRtp27711DurhamE P A27711DurhamResearch Triangle PkAdvertisements