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Ontario Area Codes

About Ontario Area Codes

The city of Ontario, located in California, is served by 1 telephone area code(s) in this dataset. These calling codes connect residential neighborhoods, business districts, and surrounding communities.

Major phone area codes used in Ontario include 909. The city falls under the America/Los_Angeles time zone(s), depending on the exact location and provider routing.

List of Area Codes in Ontario, California

The table below lists all telephone area codes used in Ontario, California, along with the associated counties and time zones from this dataset.


S.N. Area Code Counties Time Zone(s)
1 909 San Bernardino America/Los_Angeles


ZIP Codes in Ontario, California

Zip code data is not available for this city in the current dataset.



Related Area Code Pages

Explore related area code resources on Burning Compass:

  • All area codes in California
  • Individual area code details are available from the table above.

Cities in California (Area Codes)

  1. Agoura Hills Area Codes
  2. Alameda Area Codes
  3. Alhambra Area Codes
  4. Aliso Viejo Area Codes
  5. Altadena Area Codes
  6. Anaheim Area Codes
  7. Antioch Area Codes
  8. Apple Valley Area Codes
  9. Arcadia Area Codes
  10. Arden-Arcade Area Codes
  11. Atascadero Area Codes
  12. Atwater Area Codes
  13. Azusa Area Codes
  14. Bakersfield Area Codes
  15. Baldwin Park Area Codes
  16. Banning Area Codes
  17. Barstow Area Codes
  18. Bay Point Area Codes
  19. Bell Area Codes
  20. Bell Gardens Area Codes
  21. Bellflower Area Codes
  22. Belmont Area Codes
  23. Benicia Area Codes
  24. Berkeley Area Codes
  25. Beverly Hills Area Codes
  26. Brawley Area Codes
  27. Brea Area Codes
  28. Brentwood Area Codes
  29. Buena Park Area Codes
  30. Burbank Area Codes
  31. Burlingame Area Codes
  32. Calabasas Area Codes
  33. Calexico Area Codes
  34. Camarillo Area Codes
  35. Campbell Area Codes
  36. Carlsbad Area Codes
  37. Carmichael Area Codes
  38. Castro Valley Area Codes
  39. Cathedral City Area Codes
  40. Ceres Area Codes
  41. Cerritos Area Codes
  42. Chico Area Codes
  43. Chino Area Codes
  44. Chino Hills Area Codes
  45. Chula Vista Area Codes
  46. Citrus Heights Area Codes
  47. Claremont Area Codes
  48. Clovis Area Codes
  49. Coachella Area Codes
  50. Colton Area Codes
  51. Concord Area Codes
  52. Corona Area Codes
  53. Coronado Area Codes
  54. Costa Mesa Area Codes
  55. Cudahy Area Codes
  56. Culver City Area Codes
  57. Cypress Area Codes
  58. Daly City Area Codes
  59. Dana Point Area Codes
  60. Danville Area Codes
  61. Davis Area Codes
  62. Delano Area Codes
  63. Diamond Bar Area Codes
  64. Downey Area Codes
  65. Duarte Area Codes
  66. Dublin Area Codes
  67. East Los Angeles Area Codes
  68. East Palo Alto Area Codes
  69. El Cajon Area Codes
  70. El Centro Area Codes
  71. El Cerrito Area Codes
  72. Elk Grove Area Codes
  73. Encinitas Area Codes
  74. Escondido Area Codes
  75. Eureka Area Codes
  76. Fairfield Area Codes
  77. Fallbrook Area Codes
  78. Florence-Graham Area Codes
  79. Florin Area Codes
  80. Folsom Area Codes
  81. Fontana Area Codes
  82. Foster City Area Codes
  83. Fountain Valley Area Codes
  84. Fremont Area Codes
  85. Fresno Area Codes
  86. Fullerton Area Codes
  87. Garden Grove Area Codes
  88. Gardena Area Codes
  89. Gilroy Area Codes
  90. Glendora Area Codes
  91. Goleta Area Codes
  92. Hacienda Heights Area Codes
  93. Hanford Area Codes
  94. Hawthorne Area Codes
  95. Hayward Area Codes
  96. Hemet Area Codes
  97. Hesperia Area Codes
  98. Highland Area Codes
  99. Hollister Area Codes
  100. Huntington Beach Area Codes
  101. Huntington Park Area Codes
  102. Imperial Beach Area Codes
  103. Indio Area Codes
  104. Inglewood Area Codes
  105. Irvine Area Codes
  106. La Canada Flintridge Area Codes
  107. La Habra Area Codes
  108. La Mesa Area Codes
  109. La Mirada Area Codes
  110. La Presa Area Codes
  111. La Puente Area Codes
  112. La Quinta Area Codes
  113. La Riviera Area Codes
  114. La Verne Area Codes
  115. Lafayette Area Codes
  116. Laguna Area Codes
  117. Laguna Beach Area Codes
  118. Laguna Hills Area Codes
  119. Laguna Niguel Area Codes
  120. Lake Forest Area Codes
  121. Lakewood Area Codes
  122. Lancaster Area Codes
  123. Lawndale Area Codes
  124. Lemon Grove Area Codes
  125. Lennox Area Codes
  126. Livermore Area Codes
  127. Lodi Area Codes
  128. Lomita Area Codes
  129. Lompoc Area Codes
  130. Long Beach Area Codes
  131. Los Altos Area Codes
  132. Los Angeles Area Codes
  133. Los Banos Area Codes
  134. Los Gatos Area Codes
  135. Lynwood Area Codes
  136. Madera Area Codes
  137. Manhattan Beach Area Codes
  138. Manteca Area Codes
  139. Marina Area Codes
  140. Martinez Area Codes
  141. Maywood Area Codes
  142. Menlo Park Area Codes
  143. Merced Area Codes
  144. Millbrae Area Codes
  145. Milpitas Area Codes
  146. Mission Viejo Area Codes
  147. Monrovia Area Codes
  148. Montclair Area Codes
  149. Montebello Area Codes
  150. Monterey Area Codes
  151. Monterey Park Area Codes
  152. Moorpark Area Codes
  153. Moreno Valley Area Codes
  154. Morgan Hill Area Codes
  155. Mountain View Area Codes
  156. Murrieta Area Codes
  157. Napa Area Codes
  158. National City Area Codes
  159. Newark Area Codes
  160. Newport Beach Area Codes
  161. Norco Area Codes
  162. North Fair Oaks Area Codes
  163. North Glendale Area Codes
  164. North Highlands Area Codes
  165. North Tustin Area Codes
  166. Norwalk Area Codes
  167. Novato Area Codes
  168. Oakland Area Codes
  169. Oakley Area Codes
  170. Oceanside Area Codes
  171. Oildale Area Codes
  172. Ontario Area Codes
  173. Orange Area Codes
  174. Orangevale Area Codes
  175. Orcutt Area Codes
  176. Oxnard Area Codes
  177. Pacifica Area Codes
  178. Palm Desert Area Codes
  179. Palm Springs Area Codes
  180. Palmdale Area Codes
  181. Palo Alto Area Codes
  182. Paradise Area Codes
  183. Paramount Area Codes
  184. Paso Robles Area Codes
  185. Perris Area Codes
  186. Petaluma Area Codes
  187. Pico Rivera Area Codes
  188. Pittsburg Area Codes
  189. Placentia Area Codes
  190. Pleasant Hill Area Codes
  191. Pleasanton Area Codes
  192. Pomona Area Codes
  193. Port Hueneme Area Codes
  194. Porterville Area Codes
  195. Poway Area Codes
  196. Rancho Cordova Area Codes
  197. Rancho Cucamonga Area Codes
  198. Rancho Palos Verdes Area Codes
  199. Rancho San Diego Area Codes
  200. Rancho Santa Margarita Area Codes
  201. Redding Area Codes
  202. Redlands Area Codes
  203. Redondo Beach Area Codes
  204. Redwood City Area Codes
  205. Reedley Area Codes
  206. Rialto Area Codes
  207. Richmond Area Codes
  208. Ridgecrest Area Codes
  209. Riverside Area Codes
  210. Rocklin Area Codes
  211. Rohnert Park Area Codes
  212. Rosemead Area Codes
  213. Rosemont Area Codes
  214. Roseville Area Codes
  215. Rowland Heights Area Codes
  216. Rubidoux Area Codes
  217. Salinas Area Codes
  218. San Anselmo Area Codes
  219. San Bernardino Area Codes
  220. San Bruno Area Codes
  221. San Carlos Area Codes
  222. San Clemente Area Codes
  223. San Diego Area Codes
  224. San Dimas Area Codes
  225. San Fernando Area Codes
  226. San Jose Area Codes
  227. San Juan Capistrano Area Codes
  228. San Leandro Area Codes
  229. San Lorenzo Area Codes
  230. San Luis Obispo Area Codes
  231. San Marcos Area Codes
  232. San Mateo Area Codes
  233. San Pablo Area Codes
  234. San Rafael Area Codes
  235. San Ramon Area Codes
  236. Santa Ana Area Codes
  237. Santa Barbara Area Codes
  238. Santa Clara Area Codes
  239. Santa Clarita Area Codes
  240. Santa Cruz Area Codes
  241. Santa Maria Area Codes
  242. Santa Monica Area Codes
  243. Santa Paula Area Codes
  244. Santa Rosa Area Codes
  245. Santee Area Codes
  246. Saratoga Area Codes
  247. Seal Beach Area Codes
  248. Seaside Area Codes
  249. Simi Valley Area Codes
  250. South El Monte Area Codes
  251. South Gate Area Codes
  252. South Lake Tahoe Area Codes
  253. South Pasadena Area Codes
  254. South San Francisco Area Codes
  255. South San Gabriel Area Codes
  256. South San Jose Hills Area Codes
  257. South Whittier Area Codes
  258. Spring Valley Area Codes
  259. Stanton Area Codes
  260. Stockton Area Codes
  261. Suisun Area Codes
  262. Sunnyvale Area Codes
  263. Temecula Area Codes
  264. Temple City Area Codes
  265. Thousand Oaks Area Codes
  266. Torrance Area Codes
  267. Tracy Area Codes
  268. Tulare Area Codes
  269. Turlock Area Codes
  270. Union City Area Codes
  271. Upland Area Codes
  272. Vacaville Area Codes
  273. Valinda Area Codes
  274. Vallejo Area Codes
  275. Ventura Area Codes
  276. Victorville Area Codes
  277. Visalia Area Codes
  278. Vista Area Codes
  279. Walnut Area Codes
  280. Walnut Creek Area Codes
  281. Wasco Area Codes
  282. Watsonville Area Codes
  283. West Carson Area Codes
  284. West Covina Area Codes
  285. West Hollywood Area Codes
  286. West Modesto Area Codes
  287. West Puente Valley Area Codes
  288. West Sacramento Area Codes
  289. West Whittier-Los Nietos Area Codes
  290. Westminster Area Codes
  291. Westmont Area Codes
  292. Whittier Area Codes
  293. Windsor Area Codes
  294. Woodland Area Codes
  295. Yorba Linda Area Codes
  296. Yuba City Area Codes
  297. Yucaipa Area Codes

US State Area Codes

  1. Alabama Area Codes
  2. Alaska Area Codes
  3. Arizona Area Codes
  4. Arkansas Area Codes
  5. California Area Codes
  6. Colorado Area Codes
  7. Connecticut Area Codes
  8. Delaware Area Codes
  9. District of Columbia Area Codes
  10. Florida Area Codes
  11. Georgia Area Codes
  12. Hawaii Area Codes
  13. Idaho Area Codes
  14. Illinois Area Codes
  15. Indiana Area Codes
  16. Iowa Area Codes
  17. Kansas Area Codes
  18. Kentucky Area Codes
  19. Louisiana Area Codes
  20. Maine Area Codes
  21. Maryland Area Codes
  22. Massachusetts Area Codes
  23. Michigan Area Codes
  24. Minnesota Area Codes
  25. Mississippi Area Codes
  26. Missouri Area Codes
  27. Montana Area Codes
  28. Nebraska Area Codes
  29. Nevada Area Codes
  30. New Hampshire Area Codes
  31. New Jersey Area Codes
  32. New Mexico Area Codes
  33. New York Area Codes
  34. North Carolina Area Codes
  35. North Dakota Area Codes
  36. Ohio Area Codes
  37. Oklahoma Area Codes
  38. Oregon Area Codes
  39. Pennsylvania Area Codes
  40. Rhode Island Area Codes
  41. South Carolina Area Codes
  42. South Dakota Area Codes
  43. Tennessee Area Codes
  44. Texas Area Codes
  45. Utah Area Codes
  46. Vermont Area Codes
  47. Virginia Area Codes
  48. Washington Area Codes
  49. West Virginia Area Codes
  50. Wisconsin Area Codes
  51. Wyoming Area Codes