USPS REQUIREMENT

USPS Form 1583
Complete Guide

Everything you need to know about completing USPS Form 1583 for your virtual mailbox. Simple, straightforward, and required by law.

What is USPS Form 1583?

USPS Form 1583 (Application for Delivery of Mail Through Agent) is a federal requirement for anyone using a Commercial Mail Receiving Agency (CMRA) like Keeper Mailbox. This form authorizes us to receive mail on your behalf and helps the USPS verify your identity.

The form is mandated by USPS regulations and requires notarization with valid government-issued photo identification. It's a one-time process that typically takes 5-10 minutes to complete.

Why is Form 1583 Required?

Form 1583 serves important purposes:

  • Verifies your identity to prevent mail fraud and identity theft
  • Authorizes Keeper Mailbox to receive USPS mail on your behalf
  • Complies with federal postal regulations and security requirements
  • Protects both you and our service from fraudulent activity
  • Ensures legal accountability in mail handling

Important: Form 1583 is required by federal law for all virtual mailbox services. We cannot receive mail on your behalf without a completed and notarized Form 1583 on file.

How to Complete Form 1583

Follow these easy steps to complete your Form 1583.

1

Create Your Account

Sign up for Keeper Mailbox and select your preferred virtual address location. You'll receive an email with a link to access and download your personalized Form 1583.

  • Choose your plan and location
  • Complete basic account information
  • Receive Form 1583 via email
2

Fill Out the Form

Download and complete Form 1583 with your accurate personal or business information. The form includes your name, current address, and the virtual mailbox address you've selected.

  • Print the form (do not fill it out digitally)
  • Use black or blue ink
  • Print clearly and legibly
  • Sign in the designated area (wait for notary)
3

Get it Notarized

Have your completed form notarized by a licensed notary public. You must present valid government-issued photo identification during notarization.

  • Find a notary (bank, UPS Store, mobile notary, online notary)
  • Bring valid photo ID (driver's license, passport, state ID)
  • Sign the form in the notary's presence
  • Notary will stamp and sign the form
4

Submit to Keeper Mailbox

Upload or mail your completed and notarized Form 1583 along with copies of your photo identification. We'll verify and activate your account within 1-2 business days.

  • Upload via your account dashboard (fastest)
  • Email to forms@keepermailbox.com
  • Mail to our processing center
  • Receive confirmation once approved

Form 1583 Requirements

Everything you need to complete the process.

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Completed Form 1583

We'll provide you with a pre-filled Form 1583 that includes:

  • Your personal/business information
  • Your virtual mailbox address
  • Our CMRA information
  • All required fields
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Valid Photo ID

Acceptable forms of identification:

  • Driver's license
  • State-issued ID card
  • US passport or passport card
  • Military ID
  • Government-issued photo ID
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Notary Public

Your form must be notarized. Find a notary at:

  • Banks and credit unions
  • UPS Store or FedEx Office
  • Mobile notary services
  • Online notary (RON services)
  • City/county clerk offices
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ID Copies (2)

Two photocopies of your ID required:

  • Copy #1: Front of your ID
  • Copy #2: Back of your ID (if applicable)
  • Clear, readable copies
  • All text must be legible
  • Submit with Form 1583

Form 1583 FAQs

Answers to frequently asked questions.

How long does the Form 1583 process take?

The entire process typically takes 1-3 business days once we receive your completed, notarized form and ID copies. Getting the form notarized usually takes less than 10 minutes. We verify and approve forms within 24-48 hours of receipt.

Where can I get a form notarized?

Notary services are widely available. Try your bank or credit union (often free for members), UPS Store or FedEx Office locations, mobile notary services that come to you, online Remote Online Notarization (RON) services, or your local city/county clerk's office. Fees typically range from free to $15.

Can I use an online notary for Form 1583?

Yes! Remote Online Notarization (RON) is accepted for USPS Form 1583. Services like Notarize.com or NotaryCam allow you to complete the entire notarization process online via video call with a licensed notary. This is the fastest and most convenient option.

What if I'm registering a business?

For business accounts, the authorized signer must complete Form 1583. You'll also need to provide business formation documents (LLC certificate, corporation papers, etc.) and the signer's personal photo ID. Business beneficial owners may need to complete separate forms depending on your business structure.

Is Form 1583 required for package-only services?

Yes. Form 1583 is required for any mail receiving service, including package-only plans. This is a USPS regulation that applies to all Commercial Mail Receiving Agencies (CMRAs) regardless of the type of mail received.

How long is Form 1583 valid?

Form 1583 remains valid as long as your account is active and your information hasn't changed. If you move, change your legal name, or modify your business structure, you'll need to submit a new Form 1583 with updated information.

What if I make a mistake on the form?

Don't worry! If you make an error, simply request a new blank form from us. Do not cross out or white-out mistakes on Form 1583. Always start with a fresh form to ensure your application is accepted.

Can someone else notarize the form for me?

No. You must personally appear before the notary with your valid photo ID and sign the form in their presence. This is a legal requirement. The notary verifies your identity by examining your ID and witnessing your signature.

Ready to Get Your Virtual Mailbox?

Sign up today and we'll guide you through the entire Form 1583 process. Most customers complete everything within 1-2 days.