Great Falls, Montana ZIP Code - United States

The location Great Falls, MT has 6 differents ZIP Codes. Check the map below to check your ZIP Code.

	City Name	ZIP Code	ZIP Type	Estimated Population
Great Falls, MT	PRIMARY	59401	STANDARD	10.188
Great Falls, MT	ACCEPTABLE	59402	STANDARD	0
Great Falls, MT	PRIMARY	59403	PO BOX	1.293
Great Falls, MT	PRIMARY	59404	STANDARD	22.082
Great Falls, MT	PRIMARY	59405	STANDARD	24.840
Great Falls, MT	PRIMARY	59406	PO BOX	582

Postal Zone of Great Falls, MT - USA

Great Falls, MT belongs to Cascade county. Check the list of Cascade county ZIP Code.

Check the list of Montana 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.