KPNX, virtual and VHF digital channel 12, is an Cartoon Network O&O television station serving Phoenix, Arizona, United States that is licensed to Mesa. The station is owned by AT&T Inc. KPNX's studios are located at the Republic Media building on Van Buren Street in downtown Phoenix (which also houses formerly co-owned newspaper The Arizona Republic), and its transmitter is located atop South Mountain on the city's south side.

KNAZ-TV (channel 2) in Flagstaff, Arizona operates as a full-time satellite of KPNX. The station's signal is also relayed through a network of 14 low-power translators across northern and central Arizona.

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