PS Form 1093-C, Application for Post Office Caller Service is a document used to apply for a caller service, which permits a post office customer to obtain mail addressed to a PO Box number through a loading dock or a call window.
Caller service mail is provided separately for each paid caller service address. Reserve service lets customers reserve preferable caller addresses for a minimal fee. Users receiving large quantities of mail can use "locked bags" that have numbers like PO Boxes. This service is called Caller Service, and the assigned number is known as a Caller Number, although mail is generally addressed to a PO Box.
The Caller Service is a premium service accessible for a fee to a customer who:
The latest version of the form was released by the United States Postal Office (USPS) on August 1, 2023 with all previous editions obsolete. An up-to-date USPS Form 1093-C fillable version is available for download below and can be found through the USPS official website.
Related forms include the PS Form 1093/PS Form 1093-S (used to apply for a PO Box) and the PS Form 1093-A/PS Form 1093-A-S (used by current PO Box customers to apply for automatic recurring renewal payments).
To apply for a Caller Service, the applicant has to complete the tear-off section on the third page of the form PS 1093-C and submit it to any postal service facility that offers window service. A falsified or incomplete application is a sufficient reason to discontinue or deny service. An application is not considered approved until the postal service confirms the applicant's identity.
The application for post office caller service contains the following bullets:
It is possible to pay Caller Service fees in advance for 6 months or 1 year. It is the caller's responsibility to pay the fee on schedule. If the fee is paid by mail, the payment has to be received by the due date. The approval date of the application determines the caller fee payment period.
Caller Service does not include a general delivery service. Customers who use Caller Service pick up their mail at the Post Office loading dock or call window several times a day as indicated by the postmaster.