United States Post Office 401 Church St, O Fallon, MO63366 This United States Post Office serves the 63366 Zip Code portion of O'Fallon. It is a full service post office but…More you can skip the postal clerk by using one of the two self-service machines in the lobby. It also rents PO Boxes with 24-hour access. Outside there is a drive through lane with mail boxes to drop letters in.
United Services Early Childhood Center is conveniently located between Fort Zumwalt and Wentzville school…More districts. It provides preschool and child-care services for typically developing children as well as special-needs children between the ages of six weeks and five years. The curriculum covers social skills, literacy and language, math, social studies, science, arts and motor skills. All teachers are certified. This location is also equipped with a registered nurse, behavioral therapist and social worker, as well as physical, occupational and speech therapists.