US address format explained: streets, state abbreviations & ZIP codes

2025-01-25 · 美国地址生成器

The standard two-line US address

Marilyn Monroe   ← recipient
1234 Oak Street   ← house number + street
Apt 5             ← optional unit
Los Angeles, CA 90001 ← city, state abbr ZIP

State abbreviations matter

Line 2 must use the two-letter uppercase state abbreviation: CA, TX, NY, FL, WA, IL… See the full state list.

ZIP code rules

• Standard 5 digits, e.g. 60601 (downtown Chicago)
• ZIP+4 adds 4 digits after a dash: 60601-1234
• Prefixes map to regions: 900xx LA, 100xx Manhattan, 981xx Seattle

Common street suffixes

St, Ave, Blvd, Dr, Ln, Rd, Ct, Way, Ter, Pl.

Ready to generate correctly formatted addresses? Back to the US address generator — filter by state and city.