Comcast Voice Routing Contact?

Apologies for cross-post - no luck using the VoiceOps list. Sent to VO 04/10: Hello, we have a fun issue we are attempting to troubleshoot with an end user having problems reaching local businesses utilizing Comcast (unsure if the end product is POTS over Coax or VoiceEdge). SPID: Comcast IP Phone

Comcast Late Night Lurkers? (Chicago Problems)

Any Comcast engineers lurking on here? Have noticed a significant issue with endpoint connectivity into our private clouds starting around 19:30 central, continuing on to now. Have also seen some issues with devices accessing via our customers' WAN connections through AT&T, suspecting some sort of