GPS: The Global Positioning System

A global public service brought to you by the U.S. government
Information for the General Public

How to Correct Your Address in GPS Devices, Apps, & Online Maps

Street map with pin marker

Do GPS devices show your home or business in the wrong place? The problem is not GPS! It's the mapping software.

Report your issue to the software providers

Common Questions

For GPS Professionals

GPS Week Number Rollover
on April 6, 2019

COUNTDOWN

16 : 08 : 01
DAYS HOURS MINS

The GPS Week Number will reset to zero at 23:59:42 UTC on April 6, 2019. Are your critical time systems ready?

What's Hot for Pros

News Items

New Additions to GPS.gov

Guidance for Critical Infrastructures

Report/Lookup GPS
Service Disruptions

Other Audiences