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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 | 570 | 2799000 | 2799999 | G |
| Pennsylvania | 570 | 6666000 | 6666999 | G |
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