Below are any Arizona statewide conventional or trunking systems followed by Arizona fire department frequencies sorted by county. To find your local Arizona fire department frequencies, navigate to your county and enter the frequencies you find into your fire department scanner. Please feel free to submit corrections!
| Apache | Cochise | Coconino | Gila | |
| Graham | Greenlee | La Paz | Maricopa | |
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| Mohave | Navajo | Pima | Pinal | |
| Santa Cruz | Yavapai | Yuma | ||
Arizona is a U.S. state in the southwestern region of the United States. Arizona's also part of the Western and the Mountain states. Arizona's the sixth largest and the 14th most populous of the 50 states. Arizona's capital and largest city is Phoenix. Arizona is one of the Four Corners states.