| Business | Phone |
| U S Post Office 1121 Miller Rd, Kalamazoo 49001 | (269) 388-7211 |
| U S Post Office 167 N Drake Rd, Kalamazoo 49009 | (269) 343-2560 |
| U S Post Office 2510 E Cork St, Kalamazoo 49001 | (269) 383-3920 |
| U S Post Office 310 E Michigan Ave, Kalamazoo 49007 | (269) 345-9800 |
| U S Post Office 3427 Gull Rd, Kalamazoo 49048 | (269) 342-5687 |
| U S Post Office 3885 S 9th St, Kalamazoo 49009 | (269) 353-5000 |
| U S Post Office 839 Commerce Ln, Kalamazoo 49004 | (269) 388-7296 |
| U S Post Office Miller Rd, Kalamazoo 49001 | (269) 388-7289 |