24 Hour Automated Info & Services

You can accomplish a lot of basic Post Office business any time you want by calling the USPS General Info & Services line (800-275-8777), or using the USPS website: http://www.usps.com

Phone menu options include:
1    Office hours and locations
2    Zip Codes
3    Rates and mailing information
4    Express mail tracking and confirmation, signature confirmation, packaging supplies