| Business | Phone |
| Police Dept-Investigation Div 300 L St, Antioch 94509 | (925) 779-6926 |
| Police Dept-Recruitment-Rsrvs 300 L St, Antioch 94509 | (925) 779-6910 |
| Antioch Police Dept 300 L St, Antioch 94509 | (925) 778-3911 |
| Antioch Police Officers Assoc 607 W 2nd St, Antioch 94509 | (925) 754-2712 |
| Police Department-Records 300 L St, Antioch 94509 | (925) 779-6900 |
| Police Dept-Abandoned Autos 300 L St, Antioch 94509 | (925) 779-6981 |
| Police Dept-Crime Prevention 300 L St, Antioch 94509 | (925) 779-6980 |