There are 754 phone number prefixes within area code 406. Additionally, there are more than 3,300 phone numbers in this area code that have received at least one user report. The location of calls from area code 406 is Montana, USA. Most numbers in this area code are in US Mountain time, where the time is currently 1:36:54 AM on July 2, 2025.
Choose a phone number from the list below to browse user reports for . You can also use the search box above to search for user reports about any phone number, or to file a report about any phone number.
| Prefix | City / State | Primary Telco |
|---|---|---|
| 406-942 | Glasgow, MT | Cellco Partnership Dba Verizon Wireless - Mt |
| 406-943 | Sidney, MT | Level 3 Communications, Llc - Mt |
| 406-944 | Miles City, MT | Level 3 Communications, Llc - Mt |
| 406-945 | Havre, MT | New Cingular Wireless Pcs, Llc |
| 406-946 | Livingston, MT | Level 3 Communications, Llc - Mt |
| 406-947 | Musselshell, MT | Mid-rivers Tel. Coop., Inc. |
| 406-948 | Glendive, MT | Level 3 Communications, Llc - Mt |
| 406-949 | Townsend, MT | New Cingular Wireless Pcs, Llc |
| 406-950 | Montana | Qwest Corporation |
| 406-951 | Miles City, MT | New Cingular Wireless Pcs, Llc |
| 406-952 | Great Falls, MT | Onvoy Spectrum, Llc |
| 406-953 | Hardin, MT | Sagebrush Cellular, Inc. |
| 406-954 | Roy, MT | Cellco Partnership Dba Verizon Wireless - Mt |
| 406-956 | Baker, MT | New Cingular Wireless Pcs, Llc |
| 406-957 | Terry, MT | Cellco Partnership Dba Verizon Wireless - Mt |
| 406-958 | Montana | |
| 406-959 | Montana | |
| 406-960 | Dillon, MT | Level 3 Communications, Llc - Mt |
| 406-961 | Hamilton, MT | Qwest Corporation |
| 406-962 | Joliet, MT | Qwest Corporation |
| 406-963 | Froid Rural, MT | Nemont Tel Coop Inc |
| 406-964 | Great Falls, MT | Qwest Corporation |
| 406-965 | Great Falls, MT | Qwest Corporation |
| 406-966 | Shelby, MT | Level 3 Communications, Llc - Mt |
| 406-967 | Worden, MT | Project Tel. Co., Inc. |
| 406-968 | Lewistown, MT | Level 3 Communications, Llc - Mt |
| 406-969 | Billings, MT | Skye Telecom Llc Dba Skyetel |
| 406-970 | Billings, MT | Centurylink Communications, Llc |
| 406-971 | Plevna, MT | Cellco Partnership Dba Verizon Wireless - Mt |
| 406-972 | West Camp Crook, MT | West River Cooperative Telephone Company |
| 406-973 | Sidney, MT | Cellco Partnership Dba Verizon Wireless - Mt |
| 406-974 | Circle, MT | Cellco Partnership Dba Verizon Wireless - Mt |
| 406-975 | Ekalaka, MT | Cellco Partnership Dba Verizon Wireless - Mt |
| 406-976 | Montana | Multiple Ocn Listing |
| 406-977 | Jordan, MT | Cellco Partnership Dba Verizon Wireless - Mt |
| 406-978 | Baker, MT | Cellco Partnership Dba Verizon Wireless - Mt |
| 406-979 | Richey, MT | Cellco Partnership Dba Verizon Wireless - Mt |
| 406-980 | Townsend, MT | Cellco Partnership Dba Verizon Wireless - Mt |
| 406-981 | South Miles City, MT | Cellco Partnership Dba Verizon Wireless - Mt |
| 406-982 | Yellow Bay, MT | Centurytel Of Montana, Inc. Dba Centurylink |
| 406-983 | Ashland, MT | Cellco Partnership Dba Verizon Wireless - Mt |
| 406-984 | Birney, MT | Range Tel Coop Inc |
| 406-987 | Glendive, MT | Cellco Partnership Dba Verizon Wireless - Mt |
| 406-988 | Dillon, MT | Level 3 Communications, Llc - Mt |
| 406-989 | West Glendive, MT | New Cingular Wireless Pcs, Llc |
| 406-990 | Lame Deer, MT | Commnet Wireless Subco, Llc |
| 406-991 | Marion, MT | Onvoy, Llc - Mt |
| 406-992 | Helena, MT | Ymax Communications Corp. - Mt |
| 406-993 | Big Sky, MT | 3 Rivers Tel. Coop., Inc. |
| 406-994 | Bozeman, MT | Qwest Corporation |
| 406-995 | Big Sky, MT | 3 Rivers Tel. Coop., Inc. |
| 406-996 | Helena, MT | Bresnan Broadband Of Montana, Llc - Mt [charter] |
| 406-998 | Billings, MT | Airus, Inc. - Mt |
| 406-999 | Big Sky, MT | Montana Opticom, Llc - Mt |
June 30, 2025