The data indicates unitedstateszipcodes.org underwent 57 checks of its accessibility during the 2 129 days after August 2, 2019. During the whole testing period, unitedstateszipcodes.org was operational 22 times, the last uptime was on September 7, 2022, and an http status code of 200 was received. Reviews carried out as of June 1, 2025, indicated unitedstateszipcodes.org did not encounter any periods of inactivity. The most current error recorded from the 35 responses with errors was code 403 on May 26, 2025. The 0.039 seconds response time noted for unitedstateszipcodes.org on May 26, 2025, differed from its 0.321 seconds average.