Killingworth Connecticut is covered by a total of 1 ZIP Codes. There are also 3 ZIP Codes that overlap Killingworth but have a different postal city name. The ZIP Codes in Killingworth range from 06413 to 06443. Of the ZIP codes within or partially within Killingworth there are 1 Standard ZIP Codes. The total population of ZIP Codes in Killingworth is 6216.
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| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Clinton | Standard | |||
| Killingworth | Standard | |||
| Higganum | Standard | |||
| Madison | Standard |