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Butler County 205 W. Central, 316-322-4300
- Elections and Voter Registration, 316-322-4239
- Motor Vehicle, 316-322-4200
- Treasurer, 316-322-4210
- Health Department206 N. Griffith, 316-321-3400
Utilities- AT&T 2733 W. Central, 800-288-2020 (Residential)
800-321-2000 (Commercial) - Cox Media 101 E. 12th, 833-670-1335
- Evergy 700 N. Star St., 800-383-1183
- Kansas Gas 700 N. Star St., 800-794-4780
Services- Bradford Memorial Library 611 S. Washington, 316-321-3363
- Chamber of Commerce 201 E. Central, 316-321-3150
- El Dorado Fire Department 220 E. First, 316-321-9100
- El Dorado Police Department 128 N. Vine, 316-321-9120
- El Dorado Inc. 201 E. Central, 316-321-1485
- El Dorado Main Street 116 W. Pine, 316-321-3088
- Post Office 131 E. Central, 316-321-5950
- United Way 226 S. Main, 316-321-6200
- Social Security Office 3216 N. Cypress, Wichita
- Susan B. Allen Memorial Hospital 720 W. Central, 316-321-3300
Recreation- El Dorado Parks and Recreation 220 E. First, 316-321-9100
- Prairie Trails Golf Course 1100 Country Club Lane, 316-321-4114
- El Dorado YMCA 300 N. Main, 316-320-9622
- El Dorado State Park 618 NE Bluestem Road, 316-321-7180
- Coutts Museum of Art 110 N. Main, 316-321-1212
- El Dorado Pool 900 N. Taylor, 316-321-6911
- El Dorado Senior Center 210 E. Second, 316-321-0142
- Kansas Oil Museum 383 E. Central, 316-321-9333
- WWII History Center 119 W. Central, 316-322-8753
- Central Cinema 6 300 E. Central, 316-321-1576
- Grizzly Bowl 307 S. Haverhill, 316-452-5410