Two post offices offer varied services in the parks:
At Lodgepole Village in Sequoia National Park
Letter-drop only (mail must have postage). Open 24 hours; not staffed. Behind the Lodgepole Visitor Center and Market. For backpacking resupply packages: Use the Grant Grove Post Office mailing address below for a resupply point.
At Grant Grove Village in Kings Canyon National Park
North of the visitor center and gift shop in the same building as the market. Staffed; hours may. Lobby open 24 hours for dropping off mail with postage). Address visitor mail and backpackers' resupply packages to: c/o General Delivery, Kings Canyon NP, CA 93633. 559-335-2499
Closest post office outside Sequoia National Park
Three Rivers Post Office, 40857 Sierra Drive (Highway 198) in Three Rivers, CA 93271, 7 miles west of the Sequoia park entrance. Full service. 559-561-4261