ZIP Codes in Clayton, NC
Clayton uses 2 ZIP codes, all in Johnston County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 2 Clayton ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 27520 | standard | Johnston | 48,014 |
| 27527 | standard | Johnston | 39,256 |
Finding a ZIP+4 in Clayton
Knowing which of these 2 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Clayton street almost always have different ZIP+4 codes even though they share all five leading digits.
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