Where is Zip Code 48630 map for 2020, 2019
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| Zip Code | Primary City | Secondary City | | 48630 | Houghton Lake Heights | Houghton Lake Heights, Htn Lk Hghts, Hghtn Lk Hts |
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| Zip Code | Primary City | Secondary City | More Information | | 48630 | Houghton Lake Heights | Hghtn Lk Hts | | | 48630 | Houghton Lake Heights | Htn Lk Hghts | |
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