Directory
U.S. City Lookup
Reference pages for U.S. cities — ZIP codes, demographics, county, timezone, and nearby places.
Most populated U.S. cities
Jump straight into the largest cities in the country by population (2020 Census).
New York, NY
/state/new-york/new-york/Los Angeles, CA
/state/california/los-angeles/Chicago, IL
/state/illinois/chicago/Houston, TX
/state/texas/houston/Phoenix, AZ
/state/arizona/phoenix/Philadelphia, PA
/state/pennsylvania/philadelphia/San Antonio, TX
/state/texas/san-antonio/San Diego, CA
/state/california/san-diego/Dallas, TX
/state/texas/dallas/San Jose, CA
/state/california/san-jose/Austin, TX
/state/texas/austin/Jacksonville, FL
/state/florida/jacksonville/Fort Worth, TX
/state/texas/fort-worth/Columbus, OH
/state/ohio/columbus/Charlotte, NC
/state/north-carolina/charlotte/San Francisco, CA
/state/california/san-francisco/Indianapolis, IN
/state/indiana/indianapolis/Seattle, WA
/state/washington/seattle/How this works
- City pages are nested under their state:
/state/<state>/<city>(example:/state/arizona/tucson). - Each city page will include core city metadata and references to related ZIP codes.
- Some data may not align perfectly across sources (for example, ZIP areas vs. city boundaries).
URL format
/state/<state>/<city>Example:
/state/arizona/tucsonPublishing status
City pages will appear over time. This hub remains stable and will expand as coverage grows.
What you’ll find on each city page
Core city profile
Name, state, county, identifiers, and basic geographic context.
Related ZIP codes
ZIP codes associated with the city and notes about ZIP types when applicable.
Time zone and location info
Time zone references and practical location details.
Data notes
Quick explanations for common edge cases (city boundaries, postal designations, shared ZIPs).