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Union City City post offices
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1.
Alvarado Post Office
3861 Smith St
Union City
,
CA
94587
510-471-1180
Today 9:30am - 4:30pm
2.
Union City Post Office
33170 Alvarado Niles Rd
Union City
,
CA
94587
510-471-1180
Today 9:00am - 5:00pm
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