The following are the Sunday and Holiday Priority Mail Express ZIP Codes that receive delivery, effective February 21, 2018 and updated 9-1-2021 … (click to read [...]
Louisiana Updated as of 9-1-20: All operations in the following Post Offices have resumed as normal. Barataria Post Office, 4164 Privateer Blvd., 70036 — The hours for this [...]
The Postal Service issued an updated Publication 25: Designing Letter & Reply Mail in November 2018 This publication is intended to provide guidance for mailers who [...]
The USPS has released an updated Mail.dat technical guide effective June 25, 2017. It outlines steps for exchanging electronic data with the PostalOne! system using the [...]