Phone: |
|
| Corporate Main: |
(800) 322-5555 |
| Customer Service: |
(800) 322-5555 |
| Sales: |
(888) 744-7476 |
| Accounting: |
(510) 749-5300 |
| |
|
Fax: |
|
| Customer Service: |
(916) 636-5101 |
| Accounting: |
(510) 749-5302 |
| |
|
E-mail: |
|
| The main GSO e-mail address is info@gso.com. |
| |
|
Write: |
|
| Golden State Overnight |
| 1201 Marina Village Parkway |
| Suite 300 |
| Alameda, CA 94501 |