| Business | Phone |
| Chatsworth Postal Center 21704 Devonshire St, Chatsworth 91311 | (818) 718-6245 |
| Mail & Box Depot 21911 Devonshire St, Chatsworth 91311 | (818) 772-1988 |
| Mail Depot 21115 Devonshire St, Chatsworth 91311 | (818) 700-0288 |
| Ups Store 20555 Devonshire St, Chatsworth 91311 | (818) 349-2584 |