There are 31 United States Postal Service post boxes available to the public in New Castle, PA. You can use any one of these locations to mail your letter or small package. For additional collection boxes in neighboring communities, see the list of post boxes in Pennsylvania.

Are you looking for a post office? See the list of post offices in New Castle, PA.

Public Collection Box
2650 Ellwood Rd
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Public Collection Box
1700 New Butler Rd
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Public Collection Box
435 S Cascade St
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Public Collection Box
25 N Mill St
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Public Collection Box
18 N Mercer St
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Public Collection Box
120 E Washington St
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Public Collection Box
430 Court St
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Public Collection Box
41 S Mercer St
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Public Collection Box
15 W Washington St
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Public Collection Box
100 S Jefferson St
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Public Collection Box
104 Margaret St
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Public Collection Box
1211 Wilmington Ave
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Public Collection Box
104 Plaza St S
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Mailbox in Post Office Lobby
435 S Cascade St
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Public Collection Box
1700 Wilmington Rd
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Public Collection Box
1707 Wilmington Rd
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Public Collection Box
2026 W State St
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Public Collection Box
4 E Maitland Ln
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Public Collection Box
202 N Liberty St
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Public Collection Box
2501 W State St
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Public Collection Box
3009 Wilmington Rd
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Public Collection Box
2515 W State St
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Public Collection Box
3230 Wilmington Rd
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Public Collection Box
3300 Wilmington Rd
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Public Collection Box
3443 Wilmington Rd
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Public Collection Box
202 N Liberty St
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Public Collection Box
41 S Mercer St
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Public Collection Box
18 N Mercer St
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Public Collection Box
430 Court St
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Public Collection Box
4 E Maitland Ln
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Public Collection Box
3300 Wilmington Rd
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