United States Address Format
US addresses go from smallest unit to largest: recipient, street, then city + state abbreviation + ZIP code on one line. Use the two-letter state abbreviation (CA, NY, TX...).
Standard format
ZIP code rules
| Field name | ZIP code |
|---|---|
| Format | NNNNN or NNNNN-NNNN (N = digit, A = letter) |
| Example | 90210 |
| Pattern | ^\d{5}(-\d{4})?$ |
| Rule | 5 digits, optionally followed by a hyphen and 4 more digits (ZIP+4). |
Fields used in United States
| State / region | Yes — "State" locally |
|---|---|
| Street address | Yes |
| P.O. Box | Yes — "PO Box" locally |
FAQ
What is the ZIP code format in United States?
The format is NNNNN or NNNNN-NNNN (N = digit, A = letter), for example 90210. 5 digits, optionally followed by a hyphen and 4 more digits (ZIP+4).
How do you write an address in United States?
United States addresses are written from the smallest unit to the largest. US addresses go from smallest unit to largest: recipient, street, then city + state abbreviation + ZIP code on one line. Use the two-letter state abbreviation (CA, NY, TX...).
Does United States use postal codes?
Yes. United States uses the ZIP code in the format NNNNN or NNNNN-NNNN (example: 90210). 5 digits, optionally followed by a hyphen and 4 more digits (ZIP+4).
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Sources
- https://pe.usps.com/text/pub28/welcome.htm
- https://www.upu.int/UPU/media/upu/documents/PostCode/ManualAddressing.pdf