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City Carrier Name:Williamsport
This is the United States City Carrier Name:Williamsport 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 |
|---|---|---|---|---|
| Pennsylvania | 272 | 2021000 | 2021999 | M |
| Pennsylvania | 272 | 2029000 | 2029999 | M |
| Pennsylvania | 570 | 6017000 | 6017999 | M |
| Pennsylvania | 570 | 6668000 | 6668999 | M |
| Pennsylvania | 570 | 9790000 | 9790999 | M |
| Pennsylvania | 570 | 9800000 | 9800999 | M |
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