| Mount Holly, Arkansas | |
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| — Unincorporated community — | |
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Mount Holly, Arkansas
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| Coordinates: | |
| Country | United States |
| State | Arkansas |
| County | Union |
| Elevation | 262 ft (80 m) |
| Time zone | Central (CST) (UTC-6) |
| • Summer (DST) | CDT (UTC-5) |
| ZIP code | 71758 |
| Area code(s) | 870 |
| GNIS feature ID | 77717[1] |
Mount Holly is an unincorporated community in Union County, Arkansas, United States. Mount Holly is located at the junction of Arkansas Highway 57 and Arkansas Highway 160 18 miles (29 km) west-northwest of El Dorado. Mount Holly has a post office with ZIP code 71758.[2]
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