ZIP Codes Box

Richland County, Illinois ZIP codes

6ZIP codes
6Cities and towns
15,733People in ZIP areas
618Area code

Richland County is in Illinois and the Central Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.

All ZIP codes in Richland County

ZIP codeCityTypePopulationMedian income
62419CalhounStandard352$95,982
62421ClaremontStandard366$55,833
62425DundasStandard838$54,400
62450OlneyStandard12,327$62,096
62452ParkersburgStandard387$78,036
62868NobleStandard1,463$61,645

Cities and towns in Richland County

Area codes in Richland County

Questions

How many ZIP codes are in Richland County, IL?
Richland County has 6 ZIP codes.
What cities are in Richland County?
Richland County ZIP codes cover Calhoun, Claremont, Dundas, Noble, Olney and Parkersburg.
What area code is Richland County, IL?
Richland County uses area code 618.
What time zone is Richland County in?
Richland County is in Central Time.

Other Illinois counties