ZIP Codes Box

Union County, Illinois ZIP codes

7ZIP codes
7Cities and towns
16,172People in ZIP areas
573, 618Area codes

Union 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 Union County

ZIP codeCityTypePopulationMedian income
62905Alto PassStandard779$52,875
62906AnnaStandard7,329$41,993
62920CobdenStandard2,959$55,288
62926DongolaStandard1,998$64,583
62952JonesboroStandard2,852$64,097
62961MillcreekPO Box only37$151,250
62998Wolf LakeStandard218$56,300

Cities and towns in Union County

Area codes in Union County

Questions

How many ZIP codes are in Union County, IL?
Union County has 7 ZIP codes, 6 of them standard ZIP codes for street addresses.
What cities are in Union County?
Union County ZIP codes cover Alto Pass, Anna, Cobden, Dongola, Jonesboro, Millcreek and Wolf Lake.
What area code is Union County, IL?
Union County uses area codes 573 and 618.
What time zone is Union County in?
Union County is in Central Time.

Other Illinois counties