| Business | Phone |
| E Z Ship 1500 Oliver Rd # K, Fairfield 94534 | (707) 426-6036 |
| Mail Mart Plus 340 Travis Blvd, Fairfield 94533 | (707) 425-9792 |
| Mail Stop 4160 Suisun Valley Rd # E, Fairfield 94534 | (707) 864-6245 |
| Post Masters 1955 Texas St # 7, Fairfield 94533 | (707) 425-0300 |