Postcode Guven Koyu
| Name | Postcode Guven Koyu | |
| Location | Koyler | |
| Adjusted | ||
| Showed | 1383x | |
| Postcode | 81100 | |
Postal code Guven Koyu, 81100, Koyler, Duzce, Duzce, Turkey |
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| Name | Postcode Guven Koyu | |
| Location | Koyler | |
| Adjusted | ||
| Showed | 1383x | |
| Postcode | 81100 | |
Postal code Guven Koyu, 81100, Koyler, Duzce, Duzce, Turkey |
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