I feel your pain..they are a tough company do deal with.
See this old thread where someone posted a local supervisor contact. You may be able to get some satisfaction here.
Comcast & POA
Here's the details:
Ms. Debbie Brainard, Area VP for Operations
Debbie_Brainard@cable.comcast.com
904-256-1800
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Maryland (DC Suburbs) - first 51 years

The Villages - next 51 years