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USPS Forms

How do I complete the USPS 1583 form?

Before we can issue your Delaware address and Private Mailbox Number (PMB#), the United States Postal Service requires that you complete the "Application for Delivery of Mail Through Agent" form (USPS form#1583).


  1. Please complete USPS form #1583.
  2. Your signature MUST be NOTARIZED by a Notary Public (A Notary Public from any US state is acceptable.  If you live outside the US, any official authorized to witness oaths is acceptable.)
  3. Please return the duplicates bearing your notarized original signature to us by scan/email, fax or mail
  4. Two (2) forms of acceptable identification (see below); one of the identification documents must contain a photograph  

Download this partially completed USPS #1583 form

Complete the #1583 form and scan/email, fax or mail it to us with a copy of your photo identification to:
Delaware Business Incorporators, Inc.
Attention: Form 1583
3422 Old Capitol Trail, Suite 700
Wilmington, DE  19808

TWO (2) Forms of ACCEPTABLE Identification Are Required (photocopies/faxes are acceptable):
  1. Valid driver's license or passport or state non-driver's identification card;
  2. Armed forces, government, university, or recognized corporate identification card;
  3. Passport, alien registration card or certificate of naturalization;
  4. Current lease, mortgage or Deed of Trust;
  5. Voter or vehicle registration card; or
  6. Home or vehicle insurance policy