: Once you leave the sealed order in your mailbox (with the flag up), the carrier will collect it. Your stamps will usually be delivered as regular mail within 2 to 3 business days . Other Convenient Options

Regardless of your route type, you can use your carrier as a conduit for the program.

Yes, you can buy stamps from your mail carrier, but the process and availability depend heavily on whether you live on a or city route. Buying from Rural vs. City Carriers

: Ask your carrier for a PS Form 3227-A (Stamps by Mail order form) or an orange stamp order envelope.

: Unlike rural carriers, city letter carriers typically do not carry a stock of stamps for immediate sale. While some city carriers may informally accept money left in a mailbox with a note to bring stamps the next day, this is not a formal part of their duties and can sometimes be discouraged for security or disciplinary reasons. How to Order Through Your Carrier