| npa-nxx | State | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 306-353 | SK | SaskTel | N/A | 8091 | Central Butte | RVHRSK01RS1 | 00/00/0000 | Prefix Type: ICO Switch Name: N/A Switch Type: Northern Telecom Remote Link Connect LATA: Canada (888) Tandem: N/A Detailed Switch Info | |
| 306-395 | SK | SaskTel | N/A | 8091 | Central Butte | CHPLSK01RS1 | 00/00/0000 | Prefix Type: ICO Switch Name: N/A Switch Type: Northern Telecom Remote Link Connect LATA: Canada (888) Tandem: N/A Detailed Switch Info | |
| 306-796 | SK | SaskTel | N/A | 8091 | Central Butte | CNBTSK01RS1 | 00/00/0000 | Prefix Type: ICO Switch Name: N/A Switch Type: Northern Telecom Remote Switching Center LATA: Canada (888) Tandem: N/A Detailed Switch Info | |
| 639-324 | SK | Bell Mobility | N/A | 6574 | Central Butte | NOCLLIKNOWN | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Canada (888) Tandem: N/A Detailed Switch Info | |
| 639-923 | SK | SaskTel Mobility | N/A | 9868 | Central Butte | NOCLLIKNOWN | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Canada (888) Tandem: N/A Detailed Switch Info |
