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City Carrier Name:Hart
This is the United States City Carrier Name:Hart Area Code Database page list. You can click the title to browse the detail information.
| Region Name | National Destination Code | Sn from | Sn to | Number Type |
|---|---|---|---|---|
| Michigan | 231 | 7210000 | 7210999 | G |
| Michigan | 231 | 7211000 | 7211999 | X |
| Michigan | 231 | 7212000 | 7212999 | X |
| Michigan | 231 | 7213000 | 7213999 | X |
| Michigan | 231 | 7214000 | 7214999 | X |
| Michigan | 231 | 7216000 | 7216999 | X |
| Michigan | 231 | 7217000 | 7217999 | X |
| Michigan | 231 | 7218000 | 7218999 | X |
| Michigan | 231 | 7219000 | 7219999 | X |
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