Swansea, Illinois ZIP Code - United States

The location Swansea, IL has 4 differents ZIP Codes. Check the map below to check your ZIP Code.

	City Name	ZIP Code	ZIP Type	Estimated Population
Swansea, IL	ACCEPTABLE	62220	STANDARD	16.155
Swansea, IL	ACCEPTABLE	62221	STANDARD	22.845
Swansea, IL	ACCEPTABLE	62223	STANDARD	15.546
Swansea, IL	ACCEPTABLE	62226	STANDARD	24.404

Postal Zone of Swansea, IL - USA

Swansea, IL belongs to St. Clair county. Check the list of St. Clair county ZIP Code.

Check the list of Illinois ZIP Code.

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PRIMARY: means an the primary city name. Official city name, although the city name might also have another acceptable name.
ACCEPTABLE: means an adequate city name. City names that are abbreviated will frequently be listed as unacceptable because abbreviations are not an acceptable city name format.
IMPROPER/NOT ACCEPTABLE: Means an inadequate city name has been entered or received based on information entered.
UNIQUE: Assigned to a company, government agency, or entity with sufficient mail volume, based on average daily volume of letter size mail received, availability of ZIP Code numbers in the postal area, and the US mail service cost-benefit analysis.