Certified Business Solution Center and Business Mail Entry Locator
Find a one-stop solution for all mailing tools and resources by finding a Certified Business Solution Center through this Directory or using the map below.
You can also use the Business Mail Entry Unit (BMEU) Locator to find your nearest office by city and state or ZIP Code.
Additionally, the MDA Customer Service Help Desk is available to all customers, internal and external, Monday through Friday between 8:00 a.m. and 5:00 p.m. Central, excluding holidays.
To connect with an MDA, call 1-855-593-6093 or send an email to MDA@usps.gov.