Phone numbers in Iron Mt., Michigan
Iron Mt. has 15 phone prefixes in area code 906.
Biggest holders: Verizon Wireless, AT&T (local phone), AT&T Mobility. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 40%
- Local phone company 20%
- Internet / business phone carrier 20%
- Phone company 20%
Every prefix in Iron Mt.
Search the first six digits of a number in this list. If it's here, the number started in Iron Mt. with the carrier shown. If it isn't, check the Michigan page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 906-200 | Nuso | Internet / business phone carrier | 2023 |
| 906-221 | Verizon Wireless | Mobile carrier | 2005 |
| 906-239 | Verizon Wireless | Mobile carrier | 2004 |
| 906-271 | Cellcom | Phone company | – |
| 906-282 | Verizon Wireless | Mobile carrier | 2003 |
| 906-302 | Interactive Services Network | Internet / business phone carrier | – |
| 906-340 | Verizon Wireless | Mobile carrier | 2026 |
| 906-342 | AT&T Mobility | Mobile carrier | 2026 |
| 906-396 | AT&T Mobility | Mobile carrier | – |
| 906-448 | Teleport Communications America | Internet / business phone carrier | 2012 |
| 906-771 | Borderland Communications | Phone company | – |
| 906-774 | AT&T (local phone) | Local phone company | – |
| 906-776 | AT&T (local phone) | Local phone company | – |
| 906-779 | AT&T (local phone) | Local phone company | – |
| 906-828 | 123.NET | Phone company | 2004 |
Most prefixes are pooled: the 10,000 numbers in each are handed out in blocks of 1,000 to different carriers, and people can also take their numbers to another carrier. So the carrier shown is where the prefix started, not a guarantee about any one number. Source: NANPA central office code records, 2026-10-10.