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Have questions about USPS products and services? Let us help. Call us at one of the numbers provided or send us an email.
Contact Directory ; ABCD. ACS™. Email: acs@usps.gov. Telephone: 1-877-640-0724 (Option 1) ; EFGH. Electronic Address Sequencing (EAS). Email: cds.ncsc@usps.gov.
There is a main USPS phone number: 1-800-275-8777 for all issues and a dedicated number for technical support: 1-800-344-7779. USPS support also provides a ...
Answer technical questions about the PostalOne!® system, help with passwords, system logon, and clarify the file testing and transmission processes. e-mail us:
Self-service options are available 24/7 by calling 1-800-ASK-USPS (1-800-275-8777). Customer Service representatives are also available to take your calls:.