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USPS

USPS rates, regulations, and services for business mailers. Covers First-Class, Certified Mail, EDDM, and tracking options with 2026 pricing.

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ARTICLES

Three ways to mail a letter without your own printer: use finished paper, print nearby, or upload a PDF.

LETTERS ·

How to Mail a Letter Without a Printer (Online & Local Options)

Your letter is a PDF on your phone. Mail it online without printing anything, or find a library printer, a café kiosk, or a print shop nearby.

Editorial illustration of a correctly addressed envelope: return address top left, stamp top right, complete recipient address in the lower center, with a ready check mark.

LETTERS ·

How to Address an Envelope Correctly

Where the return address, recipient block, and stamp go — plus a five-pass check for the errors you can fix and the delivery risks you can't.

Illustration of three stages: a chat draft becomes a clean PDF, and the PDF becomes a printed letter in the mail — the chat itself cannot mail anything.

LETTERS ·

How to Send a Physical Letter From ChatGPT (Without a Printer)

ChatGPT is brilliant at writing dispute letters, legal notices, and personal outreach. It can't walk to the post office. Here is how to turn that draft into a USPS-delivered letter.

Illustration of a phone scanning a paper page, the scan becoming a clean PDF, and the PDF becoming a printed letter in the mail.

USPS ·

How to Send a Letter From Your Phone (iPhone and Android)

Scan a paper form or save a PDF or typed letter on your iPhone or Android, sign it, and upload it. We print it and mail it First-Class.

Labeled diagram of the USPS Certified Mail receipt, PS Form 3800.

CERTIFIED MAIL ·

How to Fill Out a Certified Mail Receipt (PS Form 3800)

Every field and checkbox on the green Certified Mail form — who fills what, what each costs as of July 12, 2026, and when you can skip the form entirely.

Illustrated neighborhood mailers beside a blank quote worksheet and bundled paper on a cream surface.

EDDM ·

EDDM Cost 2026: Postage & Budget Worksheet

Start with postage, then check what your printing or mailing quote includes before committing to an EDDM campaign.

Editorial illustration of envelopes, a red letter sorter and bundled correspondence.

CERTIFIED MAIL ·

Can You Send Certified Mail to a PO Box?

Yes—USPS delivers Certified Mail to PO boxes. Learn how pickup and signatures work, which records to keep, and what to do if the letter is unclaimed.

Editorial illustration of envelopes, a red letter sorter and bundled correspondence.

FIRST-CLASS MAIL ·

First-Class vs Priority Mail: Key Differences

First-Class Mail is the cheap everyday option for letters and documents; Priority Mail is the faster, tracked service for packages. Here's how they compare and when to use each.

Paper envelopes branch toward three miniature neighborhoods, with a red envelope at the junction.

FIRST-CLASS MAIL ·

USPS Bulk Mail Postage Rates 2026: Costs, Minimums, and Permit Fees

Bulk postage depends on what you send, how your addresses are grouped, and where the prepared mailing enters USPS. Check the postage line on your quote, then budget separately for printing and preparation.

Diagram showing certified mail cost as three stacked layers: postage, the Certified Mail fee charged on top of it, and optional Return Receipt proof.

CERTIFIED MAIL ·

Certified Mail Cost 2026: Postage & Return Receipt

Check the total for your letter, choose the receipt your records require, and separate USPS charges from any mailing provider's fees.

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