ZIP Code 16234 is located in Limestone Pennsylvania. Portions of 16234 are also in Limestone Township (Clarion County). 16234 is entirely within Clarion County. Regionally, it is located in Metro Pittsburgh.
| ZIP Code Name | Limestone |
| Primary County | Clarion County |
| ZIP Code Type | PO Box |
| Area Code(s) | 582 / 814 |
| Current Time | EDT |
| Coordinates | 41.13365555,-79.31800842 |
| Cities/Towns in 16234 | |
| Region | Metro Pittsburgh |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| Area | 0.53679407 Square Miles |
| US Congressional Districts in 16234 | |
| Pennsylvania State Senate Districts in 16234 | |
| Pennsylvania State House of Representatives Districts in 16234 |
| School Districts in 16234 | |
| Elementary Schools in 16234 | |
| High Schools in 16234 |
| Plant Hardiness Zone | Zone 5b: -15F to -10F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | May 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfb - Humid Continental Mild Summer, Wet All Year | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 70c - Pittsburgh Low Plateau | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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