· usps
USPS Certified Mail Cost 2026: $5.55 Plus Postage
USPS Certified Mail costs $5.55 plus postage in 2026, so a 1-ounce stamped letter costs $6.37 at the counter. Return Receipt, Restricted Delivery and proof rules.
usps
· uspsHow to Ship Perfume via USPS: Rules, Packing Tips, and Costs
You can ship perfume with USPS domestically via Ground Advantage up to 16 oz per package with a surface mark, but never by air or internationally.
· uspsUSPS Holidays 2026: Closures, Delivery Changes, and Last Ship Dates
USPS closes on 11 federal holidays in 2026, with a final Ground Advantage deadline of December 17 for Christmas delivery.
· uspsUSPS Delivered to Wrong Address: Recovery Steps and Claim Deadlines
If USPS shows delivered but your package is missing, check nearby doors today and ask your local Post Office what the delivery scan shows.
· uspsUSPS Flat Rate Boxes 2026: Sizes, Prices, Weight Limits
USPS Flat Rate boxes cost $12.90 to $34.00 retail in 2026 and hold up to 70 lbs. Full size chart, prices, and when flat rate beats Ground Advantage.
· uspsWhere to Drop Off USPS Packages: All Locations and Rules
Drop off USPS packages at Post Office counters, 24/7 lobby chutes, collection boxes, approved stores like Staples, or via free home carrier pickup.