ZIP Codes in Union Grove, NC
Union Grove uses 1 ZIP code, all in Iredell County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 1 Union Grove ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 28689 | standard | Iredell | 2,188 |
Finding a ZIP+4 in Union Grove
Knowing which of these 1 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 Union Grove street almost always have different ZIP+4 codes even though they share all five leading digits.
Appending ZIP+4 to a mailing list?
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