U.S. City Lookup

Browse and reference U.S. cities using structured pages that consolidate key identifiers, geographic context, and related ZIP codes. City pages will be published progressively as data is verified.

City Pages

Browse city pages using the standard URL format.

How this works

  • City pages use a slug format: city-state (example: tucson-az).
  • 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).
Slug format
/city/<city>-<state>
Example: /city/tucson-az
Publishing 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).