Williamson County, Illinois

Williamson County, Illinois, has 19 towns and 12 ZIP codes, in area code 618, with 730 as an overlay.

Towns in Williamson County, A to Z

Town	ZIP codes	Area codes
Blairsville	nearest62915, 62921, 62949	618, 730
Bush	nearest62915, 62921, 62949	618, 730
Cambria	62915	618, 730
Carbondale	62901, 62902, 62903	618, 730
Carterville	62918	618, 730
Colp	62921	618, 730
Crab Orchard	nearest62974	618, 730
Crainville	nearest62918, 62921, 62933	618, 730
Creal Springs	62922	618, 730
Energy	62933	618, 730
Freeman Spur	62841	618, 730
Herrin	62948	618, 730
Hurst	62949	618, 730
Johnston	nearest62841, 62951	618, 730
Johnston City	62951	618, 730
Marion	62959	618, 730
Pittsburg	62974	618, 730
Spillertown	nearest62951, 62959	618, 730
Whiteash	nearest62933, 62951	618, 730

ZIP codes in Williamson County

62841Freeman Spur618, 730
62902Carbondale618, 730
62915Cambria618, 730
62918Carterville618, 730
62921Colp618, 730
62922Creal Springs618, 730
62933Energy618, 730
62948Herrin618, 730
62949Hurst618, 730
62951Johnston City618, 730
62959Marion618, 730
62974Pittsburg618, 730

Area codes in Williamson County

Area code 618
In service since 1947. Shares its area with 730. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.
Area code 730
In service since July 7, 2023. Shares its area with 618. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Local numbers in area code 618

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