Higganum Connecticut is covered by a total of 1 ZIP Codes. There are also 1 ZIP Codes that overlap Higganum but have a different postal city name. The ZIP Codes in Higganum range from 06438 to 06441. Of the ZIP codes within or partially within Higganum there are 1 Standard ZIP Codes. The total population of ZIP Codes in Higganum is 5234.
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| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Haddam | Standard | |||
| Higganum | Standard |