Post offices in Calumet City, IL

3 locations. Everything in Calumet City.

• Calumet City Post Office

  United States Post Office

  1200 Ring Road

  Mon–Fri8:30 am–7 pmSat8:30 am–3 pmMon–Fri5 pmSat2:30 pm
• Hammond Post Office

  United States Post Office

  5530 Sohl Avenue
• Wentworth Avenue Post Office

  United States Post Office

  680 Wentworth Avenue