When using Chrome try this link:
Depending on the Popup Cycle frequency and duration, it will redirect to fresh ones, NOT YET FLAGGED by Chrome-safe-browsing.
This is similar to Digital Sign Board Ad on streets. When you miss it, wait for the next cycle for the same Ad.
If it's NOT your Popup type, F5 Refresh WILL NOT DO. You'll have paste the above URL on the Address Bar and Press Enter ⏎
The Popup Phone Numbers often remain active, long after the Popup Page itself has been flagged by Chrome, Firefox, Symantec, Kaspersky, etc. A Screen-Grab or Video-Frame-Pause comes in handy for reporting them, even after the Popups are removed / blocked, preventing their recreation.
… Will Plan an article to safely capture Most Popups, especially with WYSIWYG Phone Numbers…