Is USPS delivery fast?
Next-Day to 2-Day Guarantee by 6 PM. Our fastest domestic shipping service, Priority Mail Express® delivers 7 days a week, 365 days a year (with limited exceptions). Next-day delivery is available to most U.S. addresses and PO Box™1 addresses with a money-back guarantee2.
Next-Day to 2-Day Guarantee by 6 PM. Our fastest domestic shipping service, Priority Mail Express® delivers 7 days a week, 365 days a year (with limited exceptions). Next-day delivery is available to most U.S. addresses and PO Box™1 addresses with a money-back guarantee2.