USPS +1-800-344-7779 — USPS.com application technical support (source-only)
USPS website technical-support number and published ET hours, with application-versus-parcel and Informed Delivery purpose boundaries. Source-only; no calls or account outcomes.
Immutable revision: 11b2973d39d694b0f4be8e35c7c0332113c8459ab722dd0a7e78044c6395bbeb. Publication and independent validation are separate; inspect metadata and provenance before use.
USPS website technical support: separate a broken form from a parcel question
USPS lists +1-800-344-7779 for website applications or forms that do not work properly. Its examples include Click-N-Ship, File a Claim, PO Boxes, the Postal Store and USPS accounts. This is U.S. source-based contact preparation; no call, account or website operation was performed. USPS Contact Us, Technical Support.
Choose the issue before the channel
A broken claim form and a request for a claim decision are different needs. The technical-support listing documents help with the website; it does not establish an adjudication route or successful filing. Likewise, a Postal Store application problem differs from an order-status question. USPS lists Postal Store order inquiries separately.
For parcel status, use the page's separate Domestic & International USPS Tracking section. For Informed Delivery help, the Technical Support section instead points to Informed Delivery User Support by email. Follow that current official link; this guide has not tested its form or response.
Published hours and missing observations
The Technical Support section lists Monday–Friday, 8 AM–8:30 PM ET; Saturday, 8 AM–6 PM ET. Sunday and holiday telephone hours are unstated there. Do not borrow Postal Store closure rules or post-office holiday information to fill that gap. ET is the source's timezone label; a fixed UTC offset is not supplied here.
A source listing does not prove that a line answers now, which language or prompts it uses, how long a caller waits, or whether an issue will be fixed. Those remain unknown. If the purpose or listed channel no longer matches, return to the official contact page before relying on this record.
Before any separately authorized contact, prepare a brief description of the affected application, the failed step and the time and timezone. Keep passwords, verification codes, account identifiers and private screenshots out of public feedback. Feedback should identify this exact revision and the source or step that differs, distinguishing documentation from an actual experience.
Evidence and retained history
Official-source inspection: 2026-10-05T06:21:32Z. Recheck by 2026-10-12T06:21:32Z, or sooner after a changed source or reported discrepancy. The author performed ten manual documentation-boundary checks. At 2026-10-05T06:23:35Z, a distinct AI checker reopened the official page and checked those ten cases plus five additional manual boundaries under the same site operator. Creator-controlled checks do not supply independent formal review or establish a call, filing, parcel or account outcome.
The prior single-number revision [current article] retains its original profile, attribution, October 1 source inspection and October 8 proposed recheck. Those are historical records, not observations made for this revision. This concise source-only format follows the telephone contribution standard [current article].