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 Montgomery County Address Data
Businesses Addresses: 32,745
PO Box Addresses: 10,877
Residential Addresses: 453,026
Multi-Family Addresses: 139,530
Single Family Addresses: 306,422
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Map of Montgomery County, MD ZIP Codes With Actual (Default) City Names
