Name of placeNumber of countiesPrincipal countyLower zip codeUpper zip codeRackerby1Yuba County95972 Raco1Fresno County Radec1Riverside County92536 Radnor1Tulare County Radum1Alameda County Radwin1Fresno County Rafael Village1Marin County94949 Raffetto1El Dorado County Ragby1Mariposa County Ragtown1San Bernardino County Rail Road Flat1Calaveras County95248 Rainbow1Placer County Rainbow1San Diego County92028 Rainbow Spring1Shasta County Rainbow Valley1San Diego County92028 Rainbow Wells1San Bernardino County Raisin1Fresno County93652 Raisin City1Fresno County Ralph1Tuolumne County95370 Ramirez1Los Angeles County90037 Ramona1Los Angeles County Ramona1Sacramento County Ramona1San Diego County92065 Ramona Bowl1Riverside County Ramona Indian Reservation1Riverside County92263 Ramsey1Mendocino County Rana1San Bernardino County Ranch Club Estates1Riverside County92263 Ranch House1San Diego County92055 Ranchita1San Diego County92066 Rancho Bernardo1San Diego County92128 Rancho Calaveras1Calaveras County Rancho Cordova1Sacramento County95670 Rancho Cucamonga1San Bernardino County9170139Rancho Del Campo1San Diego County Rancho Del Mar1Napa County94590 Rancho Del Rey1San Diego County91909 Rancho Dominguez1Los Angeles County90220 Rancho Dos Palmas1Riverside County Rancho La Costa1San Diego County92008 Rancho Llano Seco1Butte County Rancho Marieta1Sacramento County95683 Rancho Mirage1Riverside County92270 Rancho Murieta1Sacramento County95683 Rancho Palos Verdes1Los Angeles County90274 Rancho Park1Los Angeles County90064 Rancho Rinconada1Santa Clara County95014 Rancho San Diego1San Diego County92019 Rancho San Fernando Rey1Santa Barbara County93101 Rancho Santa Clarita1Los Angeles County91350 Rancho Santa Fe1San Diego County9206791Rancho Santa Margarita1Orange County92688 Rancho Seco1Kern County Rancho Tehama1Tehama County Rancho Trabuco1Orange County Randall1El Dorado County95725 Randall Island1Sacramento County95615 Randolph1Sierra County96126 Randsburg1Kern County93554 Ranlett1Amador County Ravendale1Lassen County96123 Ravenna1Los Angeles County Ravenswood1San Mateo County94303 Rawhide1Tuolumne County95370 Rawson1Tehama County96080 Raymer1Los Angeles County Raymond1Los Angeles County Raymond1Madera County93653 Raynor Park1Santa Clara County Rayo1Tulare County Reclamation1Sonoma County Rector1Tulare County93291 Red Apple1Calaveras County Red Bank1Tehama County96080 Redbanks1Tulare County Red Bluff1Tehama County96080 Redcrest1Humboldt County95569 Redding1Shasta County9600199Redding Rancheria1Shasta County Red Dog1Nevada County Red Hill1Orange County92705 Redlands1San Bernardino County9237375Redlands Heights1San Bernardino County92373 Redman1Los Angeles County Redmond Cut1Alameda County Red Mountain1San Bernardino County93558 Redondo Beach1Los Angeles County9027778Redondo Junction1Los Angeles County Red Rock1Lassen County Reds Meadow1Mono County93546 Red Top1Madera County95340 Redway1Humboldt County95560 Redwood City1San Mateo County9405965Redwood Corral1Tulare County Redwood Creek1Mendocino County Redwood Estates1Santa Clara County95044 Redwood Grove1Santa Cruz County95006 Redwood Harbor1San Mateo County Redwood Junction1San Mateo County Redwood National Park2Humboldt County95531 Redwoods1Shasta County Redwood Terrace1San Mateo County94020 Redwood Valley1Mendocino County95470 Redwood Valley Rancheria1Mendocino County Reed1Yuba County Reedley1Fresno County93654 Regina1Imperial County Regina Heights1Mendocino County Reilly Heights1Mendocino County Relief1Nevada County Renoville1San Bernardino County Represa1Sacramento County95671 Requa1Del Norte County95548 Rescue1El Dorado County95672 Reseda1Los Angeles County91335 Resighini Rancheria1Del Norte County95546 Retreat1Monterey County Reward1Inyo County Reward1Kern County Rex1Santa Barbara County Reyes1Los Angeles County Reynolds1Mendocino County95467 Rheem1Contra Costa County94806 Rheem Valley1Contra Costa County94570 Rhodes1San Joaquin County95376 Rialto1San Bernardino County9237677Ribbonwood1Riverside County Ricardo1Kern County Riccas Corner1Sonoma County95407 Rice1San Bernardino County92280 Rich1Kern County Richardson Grove1Humboldt County95440 Richardson Springs1Butte County95973 Rich Bar1Plumas County Richfield1Orange County Richfield1Tehama County96021 Richgrove1Tulare County93261 Rich Gulch1Calaveras County Richmond1Contra Costa County9480105Richmond1San Francisco County Richmond District1San Francisco County Richvale1Butte County95974 Ridge1Mendocino County Ridgecrest1Kern County93555 Ridgemark1San Benito County Ridgeville1Trinity County Ridgewoods Heights1Humboldt County Riego1Placer County95626 Riego1Sutter County95626 Rimcrest1Riverside County92263 Rimforest1San Bernardino County92378 Rimlon1Riverside County Rimpau1Los Angeles County90019 Rimrock1San Bernardino County92268 Rinckel1Shasta County Rincon1San Diego County Rincon1Santa Cruz County Rincon Annex1San Francisco County94119 Rincon Island1Ventura County93001 Rincon Indian Reservation1San Diego County92082 Rincon Valley1Sonoma County Rio Bonito1Butte County95917 Rio Bravo1Kern County93306 Rio Campo1Sonoma County95462 Rioco1Los Angeles County Rio Dell1Humboldt County95562 Rio Dell1Sonoma County95436 Rio del Mar1Santa Cruz County95003 Rio Hondo1Los Angeles County Rio Linda1Sacramento County95673 Rio Nido1Sonoma County95471 Rio Oso1Sutter County95674 Rio Vista1Solano County94571 Rio Vista Junction1Solano County Ripley1Riverside County92272 Ripon1San Joaquin County95366 Ripperdan1Madera County93637 Rivera1Los Angeles County90660 Riverbank1Stanislaus County95367 Riverbank Army Ammunition Plant1Stanislaus County95367 Riverbend1Fresno County Riverdale1Fresno County93656 Riverdale1Mendocino County Riverdale Park1Stanislaus County River Kern1Kern County93238 River Oaks1San Benito County River Pines1Amador County95675 River Road1Stanislaus County95350 Riverside1Humboldt County Riverside1Orange County92663 Riverside1Riverside County9250122Riverside Grove1Santa Cruz County95006 Riverside Junction1Riverside County Riverside Park1Humboldt County Riverton1El Dorado County Riverview1Kern County93306 Riverview1San Diego County92040 Riverview1Shasta County Riverview1Yolo County Riverview Farms1San Diego County92040 Riviera1Los Angeles County Riviera Cliff1San Joaquin County95204 Riz1Glenn County Roads End1Tulare County93238 Roaring Creek Rancheria1Shasta County96065 Robbins1Sutter County95676 Robert1Alameda County Robertsville1Santa Clara County95118 Robinson Mills1Butte County Robinson Ranch1Orange County Robinson Rancheria1Lake County Robinsons Corner1Butte County95965 Robla1Sacramento County Roblar1Sonoma County Robles del Rio1Monterey County93924 Rob Roy Junction1Santa Cruz County Rochester1San Bernardino County Rockaway Beach1San Mateo County94044 Rockfield1Fresno County Rock Haven1Fresno County93664 Rocking Horse Ranchos1Los Angeles County90731 Rocklin1Placer County95677 Rock Mills1Alameda County Rockport1Mendocino County95488 Rockridge1Alameda County94618 Rocktram1Napa County Rockville1Solano County94585 Rockwell1San Joaquin County Rockwood1Imperial County Rocky Hill1Tulare County Rodeo1Contra Costa County94572 Rogas1Kern County Rogers Flat1Plumas County95980 Rogina Heights1Mendocino County95482 Rohnert Park1Sonoma County94928 Rohnerville1Humboldt County95540 Rohnerville Rancheria1Humboldt County Rolands1Sonoma County Rolinda1Fresno County93706 Rolling Hills1Los Angeles County90274 Rolling Hills1Los Angeles County90274 Rolling Hills1Madera County Rolling Hills1Riverside County92306 Rolling Hills Estates1Los Angeles County90274 Rolling Hills Estates1San Luis Obispo County93401 Rolling Hills Riviera1Los Angeles County90731 Rollingwood1Contra Costa County94806 Rolph1Humboldt County Romac1San Mateo County Romie Lane1Monterey County93901 Romoland1Riverside County92585 Roosevelt1Los Angeles County Roosevelt Corner1Los Angeles County93534 Roosevelt Terrace1Solano County94590 Rosamond1Kern County93560 Rose Bowl1Los Angeles County91011 Rosedale1Kern County93314 Roseland1Sonoma County95407 Rosemary1Santa Barbara County Rosemead1Los Angeles County91770 Rosemont1Sacramento County95826 Rosemont1San Diego County Roseville1Placer County9566195747Roseville1San Diego County Rosewood1Humboldt County95501 Rosewood1Tehama County Ross1Marin County94957 Ross1Sonoma County Ross Corner1Imperial County92222 Rossmoor1Orange County90720 Rossmoor Highlands1Orange County90720 Rossmoor Leisure World1Orange County Rotavele1Glenn County95951 Rough and Ready1Nevada County95975 Round Mountain1Shasta County96084 Round Valley1Inyo County93514 Round Valley Indian Reservation2Mendocino County95804 Round Valley Indian Reservation2Trinity County95804 Routier1Sacramento County Rovana1Inyo County93514 Rowen1Kern County Rowland1Los Angeles County91743 Rowland Heights1Los Angeles County91748 Royal Gardens1San Diego County Royal Oaks1Los Angeles County Rubidoux1Riverside County92509 Rucker1Santa Clara County95020 Rudell1Los Angeles County91780 Rumsey1Yolo County95679 Rumsey Rancheria1Yolo County95606 Running Springs1San Bernardino County92382 Rupert1Yuba County95901 Russ1Los Angeles County Russell1Alameda County Russell1Solano County Russell City1Alameda County Russian River Terrace1Sonoma County95436 Rustic Canyon1Los Angeles County90065 Ruth1Trinity County95526 Rutherford1Napa County94573 Ryan1Inyo County Ryans Slough1Humboldt County Ryde1Sacramento County95680
References