United States Address formats

Postal address field order from reviewed national postal guidance. Coverage grows only after source review.

Address scope

Domestic street address

[Recipient name]
[Street number and name, unit if needed]
[City, state, ZIP Code]

Postal code position: On the final city-and-state line.

Publication 28 also covers PO boxes and other address types; this shows one street-address structure.

Field placeholders are not real addresses; the format cannot establish deliverability.

Source version: Postal guidance snapshot 2026-09-26

Data provenance

Data snapshot: 2026-09-26