Petaluma, CA

ZIP code 94954 covers much of eastern Petaluma and nearby outlying areas in Sonoma County. Notable sites include Petaluma Adobe State Historic Park, which preserves an 1830s rancho-era adobe; Petaluma Municipal Airport; and Santa Rosa Junior College’s Petaluma campus. Petaluma Valley Hospital is another major local institution. The area includes residential neighborhoods, commercial corridors, and open land around the city.