For the United States (USPS), the current basic postage for a standard letter hasn’t changed in 2026: a First‑Class Mail Forever stamp for a 1 oz letter costs 78 cents, and postcards cost 61 cents as of the latest update.

Quick Scoop: Current USPS Postage

Core stamp prices (March 2026)

  • First‑Class Mail letter, 1 oz (Forever stamp): $0.78.
  • Each additional ounce for letters: $0.24–$0.28 is typical historically; current published flat additional ounce for flats is $0.29 , and letter additional‑ounce pricing is in the same band.
  • Postcard stamp: $0.61.
  • First‑Class Mail flat (large envelope) 1 oz: $1.63.
  • Each additional ounce for flats: $0.29.

USPS confirmed there is no new mailing price increase in January 2026 , so the First‑Class Mail stamp price remains at 78 cents after the 2025 increase.

Helpful note on 2026 changes

While basic letter stamp prices stayed the same in early 2026, package and shipping services like Ground Advantage, Priority Mail, and Priority Mail Express did see average increases (roughly 5–8% depending on service) from January 18, 2026.

Key rates in table form

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Mail type Current price (2026) Notes
First‑Class Mail letter (1 oz) $0.78 Forever stamp, no change in Jan 2026
Postcard $0.61 Standard USPS postcard rate
First‑Class flat (large envelope, 1 oz) $1.63 For large envelopes up to 1 oz
Additional ounce (flats) $0.29 Each extra ounce for flats
If you tell me your country and what you’re mailing (letter, postcard, or package), I can narrow this down further to the exact rate that applies to you.

Information gathered from public forums or data available on the internet and portrayed here.