Home Post Office Photos Oceanside, California Post Office Post Office Photos Oceanside, California Post Office October 14, 2019 1227 0 Share on Facebook Tweet on Twitter The Oceanside, California Post Office serves ZIP Code 92054. Photo by Jimmy Emerson, some rights reserved. Photo shared under the Creative Commons License. Oceanside Post Office 517 Seagaze Dr Oceanside, CA 92054 RELATED ARTICLESMORE FROM AUTHOR Post Office Photos Baldwin, Louisiana Post Office 70514 Post Office Photos Cambridge, Idaho Post Office 83610 Post Office Photos Idlewild, Michigan Post Office 49642