ZIP Code launch anniversary
USPS states that Postmaster General J. Edward Day announced the ZIP Code would launch on 1 July 1963.
Date and recurrence
1 July
This authority record treats the observance as a fixed annual date. The same month and day can be reused unless a stronger source changes the rule.
Scope and status
The verified scope stored for this record is United States / anniversary of the nationwide ZIP Code launch in 1963. The site preserves that boundary and does not infer broader government, global or public-holiday status from the observance name alone.
Also known as
ZIP Code Day
Topic and context
What this page does not assume
- Keep the source-defined country, community, organizer or institutional scope; do not silently broaden it.
- Do not treat the title alone as proof of government recognition or public-holiday status.
- Do not add a creator, founding story or origin claim unless the supporting evidence establishes it.
Sources
- USPS — ZIP Code background and July 1, 1963 launchFederal Agency History
Frequently asked questions
When is ZIP Code launch anniversary?
1 July The stored recurrence guidance is: 1 July.
Does ZIP Code launch anniversary fall on the same date every year?
The authority record classifies it as fixed annual, so its month and day are reusable unless stronger evidence changes the rule.
Is ZIP Code launch anniversary an official public holiday?
The authority record verifies it within this scope: United States / anniversary of the nationwide ZIP Code launch in 1963. That recognition does not by itself make it a statutory public holiday; the site only makes public-holiday claims when the supporting authority record explicitly does so.
Who established or recognizes ZIP Code launch anniversary?
The stored designation basis is: USPS states that Postmaster General J. Edward Day announced the ZIP Code would launch on 1 July 1963.. Supporting provenance includes USPS — ZIP Code background and July 1, 1963 launch. The site does not infer a separate creator or founder unless reviewed evidence establishes one.
Is ZIP Code launch anniversary international or country-specific?
This authority record is country-scoped to United States. Its fuller verified scope is: United States / anniversary of the nationwide ZIP Code launch in 1963.
How is this page verified?
The factual layer is source-backed and keeps its date rule, scope, provenance and editorial guardrails attached to the authority record. This record was checked on 2026-09-09.
Other observances on July 1
These records also resolve to July 1, 2027 under the current authority data.
Anniversary of the founding of the Communist Party of China
Chinese official diplomatic communications mark the CPC founding anniversary on 1 July
Canada Day
Canadian Heritage, Government of Canada
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The Regional Government of Madeira publishes the official 1 July programme for the Day of the Autonomous Region of Madeira and Madeiran Communities.
Día del Empleado Bancario
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Independence Day
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