Service Types
GSO offers overnight delivery to every address in California and select regions of Western Nevada and Arizona.
| Delivery Times | Service |
| Next Day by 10:30 a.m. | GSO Priority Overnight (PDS) GSO Priority Overnight (PDS) service provides morning delivery of your package by 10:30 a.m. the next business day to most areas. PDS is GSO's standard delivery service. |
| Next Day by 8:00 a.m. | GSO Early Priority Overnight (EPS) GSO Early Priority (EPS) service guarantees delivery by 8:00 a.m. the next morning to most areas. |
| Next Day by End of Day | GSO Ground (CPS)* GSO Ground (CPS) service provides GSO’s most cost-effective option for next day delivery to California, Nevada and Arizona.** *GSO Ground Service is available only to GSO customers with scheduled daily pickups. **GSO Ground Service between some northern California areas and Arizona requires 2 days in transit. |
| Saturday by 10:30 a.m. | GSO Saturday Delivery (SDS) Shipments picked up on Friday will be delivered the following Monday unless GSO Saturday Delivery (SDS) service is selected. |
| Saturday by 8:00 a.m. | GSO Early Saturday (ESS) GSO Early Saturday (ESS) service guarantees Saturday delivery by 8:00 a.m. to most areas. |