| Zip Code: | 00501
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| State: | New York
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| Population: | 0
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| Housing Units: | 0
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| Land Area: | .1 square miles .1 square kilometers |
| Water Area: | 17.9 square miles 46.3 square kilometers |
| City Name: | Holtsville
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| Post Office Name: | Holtsville
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| County: | Suffolk
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| Area Code: | 631
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| Timezone: | EST
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| Latitude: | +40.922326
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| Longitude: | -072.637078
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| State Zip Codes: | New York Zip Codes
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| State Geography: | New York Geography
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