Lyon County, Iowa ZIP Codes

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ZIP Codes in Lyon County with Associated Cities & Towns

Lyon County, IA - Standard ZIP Codes
51201 | 51230 | 51232 | 51234 | 51235 | 51237 | 51240 | 51241 | 51243 | 51246 | 51247 | 57005
Lyon County, IA - PO Box ZIP Codes (NO DEMOGRAPHIC DATA)
51242
Note: Every ZIP Code has a single ACTUAL City Name assigned by the US Postal Service (USPS).
See the specific ZIP Code for acceptable Alternate City Names and spelling variations.
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Map of Lyon County, IA ZIP Codes With Actual (Default) City Names

Alvord
Doon
George
Inwood
Larchwood
Lester
Little Rock
Rock Rapids

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