| Business | Phone |
| Mail Plus 9350 Snowden River Pkwy # F, Columbia 21045 | (410) 381-7050 |
| Mail Plus 9400 Snowden River Pkwy # 110, Columbia 21045 | (410) 381-7040 |
| Marketing Partners Inc 9385 Gerwig Ln # E, Columbia 21046 | (410) 309-9686 |
| Pony Express Direct Marketing Columbia 21044 | (410) 730-0544 |
| Spacemaker Mailbox Corp 9139 Red Branch Rd, Columbia 21045 | (410) 730-3446 |
| Ups Store 5430 Lynx Ln, Columbia 21044 | (410) 964-9001 |
| Ups Store 8630 Guilford Rd # M, Columbia 21046 | (410) 290-6900 |
| Ups Store 8775 Centre Park Dr # M, Columbia 21045 | (410) 997-9565 |