PS Form 1583 is the USPS application that authorizes a private mailbox provider to receive mail on your behalf. You need it because federal rules require every mailbox customer to be identified and on file. You complete it, show acceptable ID, and have your signature verified.
What the Form Does
The form links a verified person to a specific private mailbox. USPS says customers apply for a private mailbox by completing the form, and that it obligates the provider to accept its customer’s mail. For the provider, it is a compliance record. For you, it is the step that makes the mailbox address valid for receiving mail. Providers must keep forms and supporting documents available for review, so a complete and accurate form protects both sides.
Who Has to Complete It
Each person who receives mail at the box needs a form. USPS rules say that spouses must each complete and sign a separate form for a personal mailbox, and a parent or guardian can list a minor on their own form. For business mailboxes, providers usually ask you to list the people authorized to receive mail, and they review the paperwork. Because each applicant is separate, add the right names at the start. Adding someone later usually means a new application, and that takes time.
Identification You Will Need
Expect to show two forms of ID. USPS has said applicants must present acceptable primary and secondary identification, and one is generally a photo ID. The ID must be current and traceable to you, since expired or unclear documents are not accepted. The provider records the details and keeps copies. If the name or address on your application doesn’t match your ID, the provider must deny the application, so check each detail before you submit. Have your permanent home address ready too, because the provider verifies it.
How Your Signature Is Verified
The form must be signed in front of someone. According to the Domestic Mail Manual, the addressee signs, or confirms the signature, in the presence of the provider’s owner, manager, or authorized employee, in person or by real-time audio and video. A commissioned notary public can also acknowledge the signature, in person or by real-time audio and video. This is why online providers can walk you through a video session or ask you to use a notary. Follow the provider’s instructions closely, because an altered form is invalid.
When You Need to Redo the Form
Changes trigger a new application. USPS rules say that when any information required on the form changes, the addressee must complete a new application with the provider. That includes a new legal name, a new permanent address, or new ID details. Keep your information current, and ask your provider how it handles updates. An out-of-date form can lead to delayed mail or a suspended mailbox, which is hard to fix when you are traveling.
Using the Address Correctly
Once the form is approved, use the address in the format your provider gives you. USPS requires mail to a private mailbox to use the PMB designator or the # sign followed by the box number. Mail without a proper designator may be returned as undeliverable. Share the exact format with banks, clients, and online stores so everything reaches you.
Tips for a Smooth Application
A little preparation prevents delays:
- Gather two current IDs, including one with a photo.
- Check that names and addresses match across your documents.
- Decide who will receive mail before you apply.
- Plan a video session or notary visit for the signature step.
- Save a copy of the approved form for your records.
- Update the form when your details change.
USPS Form 1583: Quick Answers
Do I Need a Notary for Form 1583?
Not always. The signature can be verified in front of the provider’s staff, in person or by live video, or acknowledged by a notary. Your provider will explain which option it accepts.
Is Form 1583 Required for Every Virtual Mailbox?
Yes, for private mailboxes at commercial mail receiving agencies. Providers must have a completed form and identification on file for each customer before they accept mail.
What if My Address Changes After I File?
You need a new application. USPS rules require one whenever information on the form changes, so tell your provider promptly and complete the update.