United States Address formats

Look up postal examples and address form layouts by destination. Each entry gives its source and scope.

Mailing an item

Mailing template

[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.

Replace the bracketed labels with the recipient’s details. Use the spelling supplied by the recipient.

Official source · USPS Publication 28: Postal Addressing Standards

These are common labels. Follow the specific form and the recipient’s address.

Address form field order

[Recipient name]
[Organization]
[Street address]
[Locality], [Administrative area] [Postal code]

Fields marked required by the form reference · Street address, Locality, Administrative area, Postal code

Address line 1: Enter the street address, or the PO box when the recipient uses one and the form allows it.
Address line 2: Use for an apartment, floor or building if the form has no separate field. Leave it empty if it does not apply.
City / town: Use the locality in the recipient’s address. Fill a district or village separately if the form asks.
State / province / region: Use the region name or the value offered by the form. Look up subdivision codes if the form asks for a code. Look up subdivision codes
ZIP / postal code: Keep any leading zeros, letters and spaces. If the address has no postcode and the form insists on one, ask the form provider what to use.
Country / region: Select the destination as the form lists it. The two-letter ISO 3166-1 code is shown below for forms that ask for a country code.

Source version · Postal guidance 2026-09-26

Data provenance

Data snapshot: 2026-09-26