Send a real card or letter from your phone

Write your message at cellpostal.com. Cellpostal prints it on real paper and mails it through USPS First-Class anywhere in the United States. Postage is included. No app to install, no account to create.

• Card, $7.00: a 5½ × 4⅛ inch note card on thick colour stock, sealed in an addressed envelope with a real stamp.
• Letter, $5.00: a full 8½ × 11 inch page in larger type, folded into a double-window envelope.

Every purchase gets an email receipt and a private USPS tracking page. Addresses are checked against postal records before payment. The full service description, including how AI assistants can help someone send a piece, is at /llms.txt.