Note: Every ZIP Code has a single ACTUAL City Name assigned by the US Postal Service (USPS).
See the specific ZIP Code for acceptable Alternate City Names and spelling variations.
ZIP Codes in Lewis and Clark County Address Data
Businesses Addresses: 3,533
PO Box Addresses: 4,456
Residential Addresses: 32,014
Multi-Family Addresses: 1,330
Single Family Addresses: 28,925
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Map of Lewis and Clark County, MT ZIP Codes With Actual (Default) City Names