There are 19 United States Postal Service post boxes available to the public in zip code 21842. 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 21842 zip code.

Mailboxes in Nearby Zip Codes

Public Collection Box
14314 Coastal Hwy
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Public Collection Box
13801 Coastal Hwy
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Public Collection Box
12913 Coastal Hwy
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Public Collection Box
201 N Heron Dr
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Public Collection Box
11805 Coastal Hwy
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Public Collection Box
10501 Coastal Hwy
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Public Collection Box
9201 Coastal Hwy
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Public Collection Box
7101 Coastal Hwy
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Public Collection Box
5901 Coastal Hwy
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Public Collection Box
3509 Coastal Hwy
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Public Collection Box
1601 Philadelphia Ave
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Public Collection Box
1003 Philadelphia Ave
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Public Collection Box
408 Philadelphia Ave
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Public Collection Box
12445 Ocean Gtwy
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Public Collection Box
12641 Ocean Gtwy
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Public Collection Box
12320 Ocean Gtwy
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Public Collection Box
9636 Stephen Decatur Hwy
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Public Collection Box
9936 Stephen Decatur Hwy
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Public Collection Box
400 S Baltimore Ave
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