Casper, Wyoming ZIP Code - United States

The location Casper, WY has 9 differents ZIP Codes. Check the map below to check your ZIP Code.

	City Name	ZIP Code	ZIP Type	Estimated Population
Casper, WY	PRIMARY	82601	STANDARD	19.758
Casper, WY	PRIMARY	82602	PO BOX	1.655
Casper, WY	PRIMARY	82604	STANDARD	19.989
Casper, WY	PRIMARY	82605	PO BOX	1.374
Casper, WY	PRIMARY	82609	STANDARD	12.694
Casper, WY	ACCEPTABLE	82615	STANDARD	0
Casper, WY	ACCEPTABLE	82630	STANDARD	0
Casper, WY	ACCEPTABLE	82638	STANDARD	0
Casper, WY	ACCEPTABLE	82646	STANDARD	0

Postal Zone of Casper, WY - USA

Casper, WY belongs to Natrona county. Check the list of Natrona county ZIP Code.

Check the list of Wyoming 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.