how long for a letter delivered usps
How long does it take USPS to deliver a Certified Letter? Plan on 3 to 10 business days to send a USPS Certified Mail letter with First Class mail delivery. You can expedite delivery by upgrading to USPS Certified Mail with Priority Delivery. This is normally 2 or 3 day service. USPS Certified Mail is considered Special Service Mail and it does receive high priority delivery service.