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Mars Area School District

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Post Offices

The following are post offices located within Butler County and its surrounding communities:

Mars Post Office (serving Mars Area School District)
111 Grand Avenue
Mars, Pa. 16046
Ph: (724) 625-2950
Fax: (724) 625-1266

Valencia Post Office (serving Mars Area School District)
1324 Pittsburgh Road
Valencia, Pa. 16059
Ph: (724) 898-2450

Bakerstown Post Office
37 Winwood Plaza
Bakerstown, Pa. 15007
Ph: (724) 443-2280
Fax: (724) 443-5638

Callery Post Office
172 Railroad Street
Callery, Pa. 16024
Ph: (724) 538-3801

Cranberry Township Post Office
240 Executive Drive
Cranberry Township, Pa. 16066
Ph: (724) 779-1100

Evans City Post Office
126 South Jackson Street
Evans City, Pa. 16033
Ph: (724) 538-9640 

Gibsonia Post Office
4098 Gibsonia Road
Gibsonia, Pa. 15044
Ph: (724) 443-3999
Fax: (724) 443-8546

For more information regarding local post offices, visit

The organizations listed on this page are offered for informational purposes only and do not constitute any endorsement or warranty of services by Mars Area School District. Any individual choosing to contact any of the above organizations does so at their own risk and Mars Area School District, it agents and employees assume no liability that may be attributed to use of these providers/agencies.