Rockville, Maryland ZIP Codes
ZIP Code | Type | City | County | County Code |
---|---|---|---|---|
20850 | Standard | Rockville | Montgomery | 24031 |
20851 | Standard | Rockville | Montgomery | 24031 |
20852 | Standard | Rockville | Montgomery | 24031 |
20853 | Standard | Rockville | Montgomery | 24031 |
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