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: 32,679
PO Box Addresses: 9,469
Residential Addresses: 461,004
Multi-Family Addresses: 144,072
Single Family Addresses: 310,987
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Map of Montgomery County, MD ZIP Codes With Actual (Default) City Names