Around September 2021, Lumen CenturyLink has been upgrading our Wi-Fi to ensure we have an improved WiFi connect. Have you updated your Lumen CenturyLink Wi-Fi to the latest router that they offer for our community?
Also, open a ticket with Lumen CenturyLink and the contact information can be found here: How do I call Lumen CenturyLink for internet issues for outages and down services?