US Post Office
Alton, Illinois Hours and Locations

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US Post Office Hours And Locations for Alton, Illinois IL

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Name

Address

Phone

1. Post Office - Alton

727 Belle St
Hours —

(618)462-2501

2. Post Office - Alton Square

117 Alton Sq
Hours —

(618)463-4728

3. Post Office - Upper Alton

1624 Main St
Hours —

(618)462-6014