Home › IRS › Publications › Publication 3891
Publication 3891: Lockbox Addresses
- Product number
- Publication 3891
- Title
- Lockbox Addresses
- Type
- Publications
- Issuing body
- Internal Revenue Service (irs.gov)
- Revision (per IRS index)
- Jul 2025
The number, title, and revision date above are reproduced verbatim from the
official IRS
index (captured July 2026). Newer revisions may exist — check irs.gov. This page adds
no instructions or commentary. Not tax or legal advice.