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City Carrier Name:Billings
This is the United States City Carrier Name:Billings 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 |
|---|---|---|---|---|
| Montana | 406 | 2060000 | 2069999 | G |
| Montana | 406 | 5340000 | 5340999 | G |
| Montana | 406 | 5450000 | 5450999 | G |
| Montana | 406 | 5451000 | 5451999 | G |
| Montana | 406 | 5452000 | 5452999 | G |
| Montana | 406 | 5453000 | 5453999 | G |
| Montana | 406 | 5454000 | 5454999 | G |
| Montana | 406 | 5455000 | 5455999 | G |
| Montana | 406 | 5456000 | 5456999 | G |
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