Over the 817 days starting August 30, 2022, callbook.biz underwent 1 functioning checks, according to the data. From aggregate analyses done, callbook.biz was accessible 1 times, last uptime August 30, 2022, responding with a 200 status code. According to assessments carried out as of November 25, 2024, there were zero occurrences of downtime on callbook.biz. As of November 25, 2024, every response indicates that no error status code has been received. Records indicate callbook.biz responded in 0.324 seconds on August 30, 2022, compared to 0.324 seconds on average.