| Business | Phone |
| Information Etc 1700 Ranch Road 12 B, San Marcos 78666 | (512) 393-5454 |
| Mail & More 925 Highway 80 E, San Marcos 78666 | (512) 392-8333 |
| Mail Stop 1101 Thorpe Ln D, San Marcos 78666 | (512) 396-0800 |
| Pak Mail Ctr 102 Wonder World Dr 304, San Marcos 78666 | (512) 393-3420 |
| Redwood Mail & Go 1121 Old Gin Rd, San Marcos 78666 | (512) 805-9053 |
| Ups Store 350 N Guadalupe St 140, San Marcos 78666 | (512) 805-0500 |
| A2 Global Shipping 2019 Clovis R Barker Road, Suite 105F, San Marcos 78666 | (512) 400-2066 |