Small Business Customer Center
The Small Business Support Center (SBSC) is available for small business customers who are generally too small to receive Sales group or Business Service Network support.
Hours of Operation
Monday through Friday from 8:00 AM to 8:30 PM Eastern Time
(Alaska and Hawaii are 8:00 AM to 9:30 PM Eastern Time)
Saturdays from 8:00 AM to 6:00 PM Eastern Time
Closed Sunday
Closed Holidays
1-USPS-4-SMBIZ (1-877-747-6249)
Services at the Small Business Customer Support Center

  • Click-N-Ship® / Web Tools
  • Claims (Domestic and International)
  • Domestic Mail Classes and Extra Services
  • Every Door Direct Mail®
  • Hold Mail
  • Mail Preparation
  • NetPost®
  • PO Box™ / Caller Service
  • Permit Accounts
  • Postage Meters
  • PostalOne!®
  • Premium Forwarding Services®
  • ZIP Code™ Lookup
  • Change of Address
  • Domestic Mail Manual
  • eBay®
  • Express Mail® Corporate Account Hold Mail International Mail Classes and Extra Services
  • International Mail Classes and Extra Services
  • Mailing and Shipping Supplies
  • PC Postage®
  • Package Services and Tracking
  • Pickup Services
  • Post Office ™ Hours and Locations
  • The Postal Store®
  • Price Quotes