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: 32,013
PO Box Addresses: 8,142
Residential Addresses: 472,530
Multi-Family Addresses: 150,229
Single Family Addresses: 317,295
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Map of Montgomery County, MD ZIP Codes With Actual (Default) City Names
