Alton (town) New Hampshire ZIP Codes - Map and Full List

Alton (town) New Hampshire is covered by a total of 7 ZIP Codes. The ZIP Codes in Alton (town) range from 03225 to 03855.

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Alton (town) New Hampshire ZIP Code Map

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List of ZIP Codes in Alton (town)

ZIP CodeZIP Code City/TownZIP Code Type
ZIP Code 03225
Center BarnsteadStandard
ZIP Code 03237
GilmantonStandard
ZIP Code 03249
GilfordStandard
ZIP Code 03809
AltonStandard
ZIP Code 03810
Alton BayStandard
ZIP Code 03837
Gilmanton Iron WorksStandard
ZIP Code 03855
New DurhamStandard

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