Economic Development go Results Found: 2 Button group with nested dropdown City of Porterville - Community Devel... City of Porterville - Community Development Dept. 291 N. Main Street Porterville CA 93257 (559) 782-7460 Tule River Economic Development Corp. Tule River Economic Development Corp. 31071 Highway 190 Porterville CA 93257 (559) 781-4271 ext. 2013