Certified mail service is restricted to First Class mail. No insurance is provided with this service. Certified mail provides the best method for obtaining evidence of receipt. The Mail Processing Center will maintain customer receipts by department slot number for evidence of mailing. Insured Mail service provides the primary means of insuring Third and Fourth Class mail, and can include a request for a return receipt.
Insured mail provides the best method for insuring packages.
Express Mail service provides guarantee of overnight delivery to selected cities, and can include a request for a return receipt. A list of available cities can be obtained in the Mail Processing Center. Consult with the mailroom to determine the availability of service to the desired city and the cut-off time. Express mail is the most expensive mail service available, and should be used only in emergency situations. Address Correction Requested service provides a change of address on addresses for a period of one year.