ZIP Codes Box

Jefferson County, Illinois ZIP codes

12ZIP codes
12Cities and towns
35,644People in ZIP areas
618Area code

Jefferson 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 Jefferson County

ZIP codeCityTypePopulationMedian income
62810Belle RiveStandard1,188$57,969
62814BlufordStandard1,668$59,462
62816BonnieStandard1,133$53,036
62830DixStandard1,416$62,400
62846InaStandard1,798$65,500
62864Mount VernonStandard22,779$60,451
62866NasonPO Box only––
62872OpdykeStandard1,153$62,344
62883SchellerStandard693$104,808
62889TexicoStandard1,066$70,364
62894WaltonvilleStandard782$83,563
62898WoodlawnStandard1,968$74,297

Cities and towns in Jefferson County

Area codes in Jefferson County

Questions

How many ZIP codes are in Jefferson County, IL?
Jefferson County has 12 ZIP codes, 11 of them standard ZIP codes for street addresses.
What cities are in Jefferson County?
Jefferson County ZIP codes cover Belle Rive, Bluford, Bonnie, Dix, Ina, Mount Vernon, Nason and Opdyke and 4 other places.
What area code is Jefferson County, IL?
Jefferson County uses area code 618.
What time zone is Jefferson County in?
Jefferson County is in Central Time.

Other Illinois counties