There were 2 times that z-tel.com's availability was tested during the 760 days from December 12, 2022. Checks of z-tel.com as of January 11, 2025, resulted in downtime or the detection of some problems. As of January 11, 2025, assessments had not shown any instances of z-tel.com's non-functionality. Of the 2 error instances, the response with code 404, dated January 9, 2025, was the most recent. Data shows z-tel.com had a 0.237 seconds response time on January 9, 2025, against a 0.255 seconds average.