There are 7 United States Postal Service post boxes available to the public in zip code 21716. For additional collection boxes in neighboring communities, see the list of post boxes in Maryland.

Are you looking for a post office? See the list of post offices in the 21716 zip code.

Public Collection Box
1 W Potomac St
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Public Collection Box
302 W Potomac St
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Public Collection Box
315 Brunswick St
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Public Collection Box
610 9 Th Ave
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Public Collection Box
92 Souder Rd
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Public Collection Box
1300 N Maple Ave
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Public Collection Box
1324 Weverton Rd
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Mailboxes in Nearby Zip Codes