| CLLI | LATA | English Name | Switch Type | Street Address | City | State | Zip |
| SDNYMTAORS0 | 650 | SIDNEY | Siemens DE4 EWSD RCU Switching System | 1021 4TH AVE SE | SIDNEY | MT | 59270 |
| SDNYMTAUCM1 | N/A | N/A | N/A | N/A | SIDNEY | MT | N/A |
| SDNYMTMARS1 | 650 | SIDNEY | AXRSS | 424 S Central Ave | Sidney | MT | 59270-4934 |
| SDNYMTQACM1 | 650 | N/A | Cellular Mobile Carrier Switching System | TWNSHP 22N RNG 59E | SIDNEY | MT | 59270 |
| SDNYMTQBCM1 | 650 | N/A | N/A | NW1/1NE1/4SEC23TWNSH | SIDNEY | MT | 59270 |
| WSDNMTXCRS1 | 650 | WEST SIDNEY | Stromberg Carlson DCO Digital | HC 89 | Sidney | MT | 59270-9807 |
