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Carrier:Sierra Telephone Co.
This is the Carrier Name:Sierra Telephone Co. page list. Its detail is as below.
| Prefix | State | Primary city | Usage |
|---|---|---|---|
| (209) 742- | California | Mariposa | Landline |
| (209) 966- | California | Mariposa | Landline |
| (559) 641- | California | Oakhurst | Landline |
| (559) 642- | California | Oakhurst | Landline |
| (559) 658- | California | Oakhurst | Landline |
| (559) 683- | California | Oakhurst | Landline |
| (559) 689- | California | Raymond | Landline |
| (559) 692- | California | Bass Lake | Landline |
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