U9V

REGION

Jefferson County Area Codes and ZIP Codes

Illinois · United States

Country calling code
+1
Local time
America/Chicago
Country
United States

A local area-code link is not listed here. The country calling code is shown separately when available.

On this page

Cities & settlements

  • Mount VernonRegional capitalUnited States · Illinois · Jefferson County
  • InaCity / settlementUnited States · Illinois · Jefferson County
  • WoodlawnCity / settlementUnited States · Illinois · Jefferson County
  • BlufordCity / settlementUnited States · Illinois · Jefferson County
  • DixCity / settlementUnited States · Illinois · Jefferson County
  • WaltonvilleCity / settlementUnited States · Illinois · Jefferson County
  • BonnieCity / settlementUnited States · Illinois · Jefferson County
  • Belle RiveCity / settlementUnited States · Illinois · Jefferson County
  • OpdykeCity / settlementUnited States · Illinois · Jefferson County
  • NasonCity / settlementUnited States · Illinois · Jefferson County
  • BakervilleCity / settlementUnited States · Illinois · Jefferson County
  • BoydCity / settlementUnited States · Illinois · Jefferson County
  • Camp GroundCity / settlementUnited States · Illinois · Jefferson County
  • CravatCity / settlementUnited States · Illinois · Jefferson County
  • DarevilleCity / settlementUnited States · Illinois · Jefferson County
  • DivideCity / settlementUnited States · Illinois · Jefferson County
  • DriversCity / settlementUnited States · Illinois · Jefferson County
  • Emerson CityCity / settlementUnited States · Illinois · Jefferson County
  • HarmonyCity / settlementUnited States · Illinois · Jefferson County
  • IdlewoodCity / settlementUnited States · Illinois · Jefferson County
  • Jefferson CityCity / settlementUnited States · Illinois · Jefferson County
  • MarcoeCity / settlementUnited States · Illinois · Jefferson County
  • Markham CityCity / settlementUnited States · Illinois · Jefferson County
  • MarlowCity / settlementUnited States · Illinois · Jefferson County
  • MorganvilleCity / settlementUnited States · Illinois · Jefferson County
  • RoachesCity / settlementUnited States · Illinois · Jefferson County
  • SchellerCity / settlementUnited States · Illinois · Jefferson County
  • ShieldsCity / settlementUnited States · Illinois · Jefferson County
  • ShirleyCity / settlementUnited States · Illinois · Jefferson County
  • Spring GardenCity / settlementUnited States · Illinois · Jefferson County
  • StrattonCity / settlementUnited States · Illinois · Jefferson County
  • SummersvilleCity / settlementUnited States · Illinois · Jefferson County
  • TexicoCity / settlementUnited States · Illinois · Jefferson County
  • Webster Hill EstatesCity / settlementUnited States · Illinois · Jefferson County
  • WilliamsburgCity / settlementUnited States · Illinois · Jefferson County
  • Fitzgerrell (historical)Abandoned settlementUnited States · Illinois · Jefferson County
  • Harris Grove (historical)Abandoned settlementUnited States · Illinois · Jefferson County
  • Lynchburg (historical)Abandoned settlementUnited States · Illinois · Jefferson County
  • Pigeon (historical)Abandoned settlementUnited States · Illinois · Jefferson County

Administrative areas

Local time & call planner

Jefferson County Time Zone

IANA time zone
America/Chicago
Current UTC offset
-06:00
Daylight saving time
Not in effect

Map & location

Latitude and Longitude

Latitude
38.30052
Longitude
-88.92401
Open Jefferson County on the map ↗

Call Jefferson County

International dialing format

  • +1 [national number]

Use the national number in international format. A domestic trunk prefix is not always part of that number.

Nearby places

Distances are measured in a straight line.

Find surrounding cities and settlements, ordered by distance.

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Local facts

Population is a source snapshot, not a live count.

Recorded population
38,827
Recorded elevation
147 m

Names & history

Names, translations and spelling variants

Other spellings

  • Jefferson

Arabic

  • مقاطعة جيفيرسون

Language: bg

  • Джеферсън

Language: bpy

  • জেফারশন কাউন্টি

English

  • Jefferson

Spanish

  • Condado de Jefferson

Language: et

  • Jeffersoni maakond

Language: eu

  • Jefferson konderria

Language: fa

  • شهرستان جفرسون، ایلینوی

French

  • Comté de Jefferson

Language: hu

  • Jefferson megye

Language: hy

  • Ջեֆֆերսոն շրջան

Italian

  • Contea di Jefferson

Japanese

  • ジェファーソン郡

Language: la

  • Jefferson Comitatus

Language: nan

  • Jefferson Kūn

Polish

  • Hrabstwo Jefferson

Language: pnb

  • جیفرسن کاؤنٹی، الینوۓ

Portuguese

  • Condado de Jefferson

Language: ro

  • Comitatul Jefferson

Russian

  • Джефферсон

Language: sr

  • Округ Џеферсон

Ukrainian

  • Джефферсон

Language: ur

  • جیفرسن کاؤنٹی، الینوائے

Language: vi

  • Quận Jefferson

Language: war

  • Condado han Jefferson

Chinese

  • 傑佛遜縣