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Jeffry L Wittwer (Postmaster)
jeff.l.wittwer@usps.gov
170 N Main St
Smithfield, UT 84335
Smithfield, UT 84335
The Smithfield Post Office is located in the state of Utah within Cache County. This location serves 11,372 Smithfield residents with a median income of $59,347. It's estimated that approximately 18,151 packages pass through this post office each year.