Swansea, Illinois

No ZIP code carries the name of Swansea, Illinois, in St. Clair County; the nearest ZIP codes are 62208, 62223 and 62226, in area code 618, with 730 as an overlay.

Nearest ZIP: 62208, 62223, 62226
Area codes: 618, 730
County: St. Clair County
State: Illinois
Time zone: Central Time
Coordinates: 38.5518, -89.9875

Nearest ZIP codes to Swansea

These are the ZIP codes nearest to Swansea, each listed with the post office it is named after.

ZIP code	Post office	County	Area codes
62208	Fairview Heights	St. Clair County	618, 730
62223	Belleville	St. Clair County	618, 730
62226	Belleville	St. Clair County	618, 730

Area codes for Swansea

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.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Swansea is in the Central Time zone.

Towns near Swansea

Belleville4.2 km (2.6 mi)
Fairview Heights5.2 km (3.2 mi)
Shiloh6.5 km (4.0 mi)
O'Fallon8.2 km (5.1 mi)
O Fallon8.3 km (5.2 mi)
Caseyville9.5 km (5.9 mi)
Scott Air Force Base11.2 km (7.0 mi)
Scott AFB11.8 km (7.3 mi)

Local numbers in area code 618

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