

With electronic USPS Tracking, the sender is notified when the mailing was delivered or that a delivery attempt was made. Have you got a Big Question you'd like us to answer? If so, let us know by emailing. Certified Mail is a special USPS service that provides proof of mailing via a receipt to the sender. Keep in mind that even though stamps may not have an expiration date, they can still be rejected if you apply tape over it, if it’s overly worn, or if it’s otherwise illegible. If your old first-class stamp is, say, 30 cents, you’ll need to double up to get your letter to its recipient. But if a stamp has a predetermined amount on it, you need to make sure it’s at least the current cost of mailing. Normally, this isn’t a problem with Forever stamps, which are always good. Total postage affixed must equal at least the postage charge for the class of the mail.Īs USPS notes, you have to use stamps that are equal to the current cost of a one-ounce letter. You may use any Denomination stamp(s) to equal the total postage affixed. According to the United States Postal Service website:Īll postage stamps issued by the United States since 1860 are valid for postage from any point in the United States or from any other place where U.S. In fact, you can use some pretty old stamps if you wanted to. Stamps themselves don’t have an expiration date, so that book of Winter Olympics commemorative postage you bought back in 2010 is still technically good. The answer is no, they don't expire, but there’s an asterisk attached.
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But what about postage stamps? Do they expire, or are you free to use them indefinitely? The one price for up to 3.5 oz rate is not a blended rate and does not apply First-Class Mail single-piece letters.Lots of things have an expiration date. This is a cost-effective way for businesses to include promotional messages with bills, invoices, and statements. Pay one price for up to 3.5 oz for First-Class Mail presort and automation compatible letters and cards. Automation discounts may also apply.Įligibility Requirements for Automation Discounts First-Class Mail commercial pricing is available for presorted letters, flats, and packages with a minimum quantity of 500 mailpieces. Commercial Prices & Automation Discountsīulk Discounts. With address correction and forwarding services, your messages will reach a greater percentage of your target audience.
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You’ll need to know your mailpiece’s weight, shape, and size measurements.Ĭalculate a Price More First-Class Mail & Package Details How to Send Letter: Domesticįirst-Class Mail is targetable, trackable (with certain extra services), and measurable, offering a wide range of options for businesses. TIP: Use the USPS ® Price Calculator tool to calculate your domestic postage costs.

Large First-Class envelopes (flats) that exceed maximum dimensions or are rigid, non-rectangular, or not uniformly thick are charged package prices. Letters that exceed the First-Class standard envelope maximum length, height, or thickness are charged large envelope (flat) prices.

Large Mailpieces, Envelopes, & Small Packages They are charged a nonmachinable surcharge even if they weigh less than 1 oz. Unusually shaped mail, like square or vertical envelopes, lumpy envelopes, rigid envelopes, and mail with clasps, string, or buttons, must be hand-canceled. Additional size restrictions apply depending on the type of mailpiece you're sending.Īdditional Charges for Irregular Mailpieces, Envelopes, & Small Packages Nonmachinable Envelopes
