| Aliso Viejo | 92656 | Laguna Hills Regional Center |
| Anaheim | 92801, 92802, 92803, 92804, 92805, 92806, 92807, 92808, 92815, 92817 | Anaheim Regional Center |
| Anaheim Hills | 92807, 92808, 92817 | Anaheim Regional Center |
| Atwood | 92811 | Anaheim Regional Center |
| Balboa | 92661 | Santa Ana Regional Center |
| Balboa Island | 92662 | Santa Ana Regional Center |
| Brea | 92821, 92822, 92823 | County Community Service Center Brea |
| Buena Park | 90620, 90621, 90622, 90623, 90624 | Santa Ana Regional Center Outstation at Garden Grove |
| Capistrano Beach | 92624 | Laguna Hills Regional Center |
| Corona Del Mar | 92625 | Santa Ana Regional Center |
| Costa Mesa | 92626, 92627, 92628 | Santa Ana Regional Center |
| Coto De Caza | 92679 | Laguna Hills Regional Center |
| Cypress | 90630 | Santa Ana Regional Center |
| Dana Point | 92629 | Laguna Hills Regional Center |
| East Irvine | 92650 | Laguna Hills Regional Center |
| El Modena | 92669 | Anaheim Regional Center |
| El Toro/Lake Forest | 92630 | Laguna Hills Regional Center |
| El Toro Marine Base | 92709, 92718 | Santa Ana Regional Center |
| Featherly Park | 92808 | Anaheim Regional Center |
| Foothill Ranch | 92610 | Laguna Hills Regional Center |
| Fountain Valley | 92708 | Santa Ana Regional Center Outstation at Garden Grove |
| Fullerton | 92831, 92832, 92833, 92834, 92835, 92836, 92837, 92838 | Anaheim Regional Center |
| Garden Grove | 92840, 92841, 92842, 92843, 92844, 92845, 92846 | Santa Ana Regional Center Outstation at Garden Grove |
| Huntington Beach | 92605, 92615, 92646, 92647, 92648, 92649 | Santa Ana Regional Center Outstation at Garden Grove |
| Irvine | 92602, 92603, 92604, 92606, 92612, 92614, 92616, 92618, 92619, 92620, 92623, 92697, 92710 | Laguna Hills Regional Center |
| La Habra | 90631, 90633 | County Community Service Center Brea |
| Ladera Ranch | 92649 | Laguna Hills Regional Center |
| Laguna Beach | 92651, 92652, 92656 | Laguna Hills Regional Center |
| Laguna Hills | 92653. 92654 | Laguna Hills Regional Center |
| Laguna Niguel | 92677 | Laguna Hills Regional Center |
| Laguna Woods | 92653 | Laguna Hills Regional Center |
| La Palma | 90623 | Anaheim Regional Center |
| Lake Forest | 92610, 92630 | Laguna Hills Regional Center |
| Lido Isle | 92663 | Santa Ana Regional Center |
| Los Alamitos | 90720, 90721 | Santa Ana Regional Center Outstation at Garden Grove |
| Midway City | 92655 | Garden Grove Regional Center |
| Mission Viejo | 92690, 92691, 92692 | Laguna Hills Regional Center |
| Modjeska Canyon | 92667 | Anaheim Regional Center |
| Monarch Bay | 92677 | Laguna Hills Regional Center |
| Newport Beach | 92657, 92658, 92659, 92660, 92661, 92662, 92663 | Santa Ana Regional Center |
| Orange | 92856, 92857, 92859, 92861, 92862, 92863, 92864, 92865, 92866, 92867, 92868, 92869 | Anaheim Regional Center |
| Placentia | 92870, 92871 | County Community Service Center Brea |
| Rancho Santa Margarita | 92688 | Laguna Hills Regional Center |
| Rossmoor | 90720 | Santa Ana Regional Center Outstation at Garden Grove |
| San Clemente | 92672, 92673 | Laguna Hills Regional Center |
| San Juan Capistrano | 92675, 92679, 92693, 92696 | Laguna Hills Regional Center |
| Santa Ana | 92701, 92702, 92703, 92704, 92705, 92706, 92707, 92711. 92712, 92720, 92799 | Santa Ana Regional Center |
| Santa Ana Heights | 92707 | Santa Ana Regional Center |
| Seal Beach | 90740 | Santa Ana Regional Center Outstation at Garden Grove |
| Silverado Canyon | 92676 | Laguna Hills Regional Center |
| South Laguna | 92677 | Laguna Hills Regional Center |
| Stanton | 90680 | Santa Ana Regional Center Outstation at Garden Grove |
| Sunset Beach | 90742 | Santa Ana Regional Center Outstation at Garden Grove |
| Surfside | 90743 | Santa Ana Regional Center Outstation at Garden Grove |
| Trabuco Canyon | 92678 | Laguna Hills Regional Center |
| Tustin | 92780, 92781, 92782 | Santa Ana Regional Center |
| Villa Park | 92861 | Anaheim Regional Center |
| Westminster | 92683, 92684 | Santa Ana Regional Center Outstation at Garden Grove |
| Yorba Linda | 92885, 92886, 92887 | County Community Service Center Brea |