Newcastle mailboxes and post offices

There are 14 United States Postal Service post boxes and offices available to the public in Newcastle, WA. You can use any one of these locations to mail your letter or small package via USPS. For additional collection boxes in neighboring communities, see the list of post boxes in Washington.

Public Collection Box
1308 N 30 Th St
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Public Collection Box
2725 Ne Sunset Blvd
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Public Collection Box
3030 Ne 10 Th St
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Public Collection Box
1800 Ne 44 Th St
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Public Collection Box
1300 Union Ave Ne
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Public Collection Box
4300 Ne 4 Th St
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Public Collection Box
4301 Ne 4 Th St
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Public Collection Box
4513 Ne 4 Th St
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Public Collection Box
4613 Ne Sunset Blvd
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Public Collection Box
8416 129 Th Pl Se
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Public Collection Box
4800 Ne 4 Th St
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Public Collection Box
6933 Coal Creek Pkwy Se
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Public Collection Box
6940 Coal Creek Pkwy Se
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Public Collection Box
16426 Se 128 Th St
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