| H&I Area | Office Name | Telephone | Address | City | Website |
| 4 | Humboldt County Intergroup | (707) 442-0711 | PO Box 7102, 95501-7102 | Eureka | www.aahumboltdelnorte.org |
| 16 | Northern California Intergroup | (530) 225-8955 | PO Box 991107, 96099-1107 | Redding | www.aanorcal.org |
| 21 | Mendocino Coast Intergroup | (877) 546-9286 | PO Box 1629, 95437 | Ft. Bragg | www.mendocinocoastaa.com |
| 21 | Mendocino Inland Intergroup | (707) 462-7123 | PO Box 792, 95482 | Ukiah | www.aaukiah.org |
| 21 | Ukiah Valley Intergroup | (707) 462-7123 | PO Box 657, 95481-0654 | Talmage | |
| 22 | North Solano Intergroup | (707) 446-2244 | PO Box 2355, 95696-2355 | Vacaville | www.aasolanonorth.org |
| 22 | Sonoma County Intergroup | (707) 546-2066 | 750 Mendocino Ave. #10, 95401-4822 | Santa Rosa | www.sonomacountyaa.org |
| 23 | Lake County Intergroup | (707) 995-3316 | PO Box 1829, 95457-1829 | Lower Lake | |
| 31 | North Valley Central Office | (530) 342-5756 | PO Box 1144, 95927 | Chico | www.aabutte-glenn.org |
| 31 | Paradise Intergroup | (530) 342-5756 | PO Box 881, 95969-4108 | Paradise | www.aabutte-glenn.org |
| 42 | Central Ca. Fellowship | (916) 454-1771 | 9960 Business Park Dr. 95827 | Sacramento | www.aasacramento.org |
| 43 | Western Slope Intergroup | (530) 622-3500 | PO Box 1434, 95667 | Placerville | |
| 51 | Napa County Intergroup | (707) 255-4900 | PO Box 10948, 94581-2948 | Napa | |
| 53 | East Bay Intergroup | (510) 839-8900 | 295 27th St., 94612-3802 | Oakland | www.eastbayaa.org |
| 54 | Solano South Co. Central Office | (707) 643-8217 | 529 Capitol St., 94590-6002 | Vallejo | www.aasolanosouth.org |
| 61 | Marin County Intergroup | (415) 499-0400 | 1821 Sacramento St., 94109-3528 | San Francisco | www.aasf.org |
| 62,63,64 | Intercounty Fellowship (San Francisco) | (415) 674-1821 | 1821 Sacramento St., 94109-3528 | San Fransisco | www.aasf.org |
| 65 | San Mateo County Fellowship | (650) 577-1310 | 2242 Palm Ave., 94403-1815 | San Mateo | www.aa-san-mateo.org |
| 71 | Santa Clara Co. Intergroup | (408) 374-8511 | 274 E. Hamilton Ave., Ste3. D, 95008-0240 | Campbell | www.aasanjose.org |
| 72 | Monterey Bay Intergroup | (831) 373-3713 | PO Box 1974, 93942-1974 | Monterey | www.aamonterey.org |
| 72 | Salinas Valley Area Intergroup | (831) 424-9874 | 9 W Gavilan St. Ste 11, 93901-2723 | Salinas | www.aasalinas.org |
| 73 | Contra Costa Service Center | (925) 939-5371 | 185 Mayhew Way, 94596-2065 | Walnut Creek | www.contracostaa.org |
| 73 | Santa Cruz County Intergroup | (831) 475-5782 | 5732 Soquel Dr., 95073-2811 | Soquel | www.aasantacruz.org |
| 81 | Central Valley Intergroup | (209) 572-2970 | 1024 J St Rm 428, 95353-0185 | Modesto | www.cviaa.org |
| 82 | Delta Central Office | (209) 464-1509 | 1525 N Eldorado #3, 95204 | Stockton | www.aadelta.org |
| 92 | Central Service Off. Of Fresno | (559) 221-6907 | 2812 N Blackstone, 93703-1002 | Fresno | www.fresnoaa.org |
| 93 | Tulare Co. Central Office | (559) 747-1277 | 628 N Farmersville Blvd. 93223 | Farmersville | www.aa-tulareco.org |
| 166 | Oficina Central Hispana | (415) 554-8811 | 383 Valencia St., 94103 | San Francisco | |
| 166 | Oficina Central Hispana Costa Norte | (408) 287-7205 | 525 W Alma Ave, 95125 | San Jose | |
| 166 | Oficina Central Hispana Intergrupal | (831) 757-8518 | McDougal Bldg. 5 Gabilan #216 93907 | Salinas | |
| 166 | Oficina Central Norte | 4795 Old Redwood Hwy Ste 2A, 95403-7531 | Santa Rosa | ||
| 166 | Oficina Intergrupal Del Este de la BahAa | 1412 MacDonald Ave, 94801-3237 | Richmond | ||
| 166 | Oficina Intergrupal Hispana De Alcoholicos Anonimos Del Area de Santa Clara | (408) 975-0826 | 505 S 10th St Ste 202, 95112-3700 | San Jose | www.aaespanolsanjose.org |
| 166 | Oficina Intergrupal Hispana de San Mateo | 419 S El Dorado St., 94402-1374 | San Mateo | ||
| 166 | Oficina Intergrupal Hispana del Area de San Mateo | (650) 679-2374 | 748 Mercy St., 94041 | Mountainview | |
| 166 | Del Norte Intergroup | (707) 464-3411 | PO Box 1067, 95531 | Crescent City | |
| 174 | Oficina Intergrupal | (831) 768-9597 | 1150 Main St Ste 7B, 95076 | Watsonville | www.aacostacentral.com |
| 194 | Oficina Intergrupal Del Condado De Tulare | (559) 688-0130 | 1700 S. K St Ste D, 93274 | Tulare | |
| 194 | Oficina Intergrupal Hispana | (559) 266-6752 | 520 N Fulton St, 93728-3402 | Fresno | |