Theresa Stephenson (Postmaster)
theresa.a.stephenson@usps.gov
1500 Washington Ave
Cairo, IL 62914
Cairo, IL 62914
The Cairo Post Office is located in the state of Illinois within Alexander County. This location serves 3,147 Cairo residents with a median income of $17,649. It's estimated that approximately 5,023 packages pass through this post office each year.