As of December 2025 Frontier Communications has a market cap of $9.51 Billion USD. This makes Frontier Communications the world's 2006th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Dec 4th, 2025 the market cap of Frontier Communications was reported to be: