There are 11 United States Postal Service post boxes available to the public in zip code 21042. 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 21042 zip code.

Public Collection Box
10020 Baltimore National Pike
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Public Collection Box
9338 Baltimore National Pike
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Public Collection Box
10163 Baltimore National Pike
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Public Collection Box
3277 Pine Orchard Ln
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Public Collection Box
10328 Baltimore National Pike
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Public Collection Box
9150 Baltimore National Pike
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Public Collection Box
9064 Frederick Rd
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Public Collection Box
9125 Baltimore National Pike
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Public Collection Box
4649 Columbia Rd
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Public Collection Box
9421 Frederick Rd
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Public Collection Box
4725 Dorsey Hall Dr
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Mailboxes in Nearby Zip Codes