Where Can You Buy Stamped Envelopes? 4 Options Explained

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Short Answer

Stamped envelopes are convenient for home and business use. You can buy stamped envelopes from Amazon.com, Quill.com, Stamps.com, and from the United States Postal Service online or in-store. We have more details about buying stamped envelopes, including available sizes, below.

Where Can I Buy Stamped Envelopes?

Stamped envelopes are typically sold in bulk online. The one exception is the United States Postal Service (USPS), where you can buy single stamped envelopes online or in-store. Below, we list the places where you can buy stamped envelopes, starting with the best overall options.

USPS

Options available: Various sizes are available with or without a window, including #6, #10, and #9 (3 7/8″ by 8 7/8″). USPS sells single stamped envelopes and bulk orders.
Pricing: Prices range from about $0.65 for a single stamped envelope to about $290 for a box of 500.
Shop online or find your nearest post office

Amazon.com

Options available: #10 envelopes (4 1/8″ by 9 1/2″ with no window)
Pricing: Varies by item, quantity, and seller. For example, you can get 20 stamped #10 security envelopes for about $15 fulfilled by Amazon, and they are eligible for free two-day shipping with Amazon Prime.
Shop online

Quill.com

Options available: Envelopes are available with or without a window in two sizes: #10 envelopes or #6 envelopes (3 5/8″ by 6 1/2″).
Pricing: Varies by quantity. For example, you can get a box of 500 stamped #10 envelopes for about $410.
Shop online

Stamps.com

Options available: You can make your own stamped envelopes on Stamps.com by buying the postage online and printing directly on the envelopes of your choice at home or at your office.
Pricing: Varies by postage. Stamps.com also has a membership fee of about $16 per month; first-time customers can get a free four-week trial.
Shop online

More Information

For more on buying stamps, envelopes, and other types of postage, see our article about where to buy single stamps (and envelopes), as well as where to buy postcards.