Phone numbers in Dowagiac, Michigan
Dowagiac has 7 phone prefixes in area code 269.
Biggest holders: Frontier, Interactive Services Network, Onvoy. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 14%
- Local phone company 29%
- Internet / business phone carrier 57%
Every prefix in Dowagiac
Search the first six digits of a number in this list. If it's here, the number started in Dowagiac with the carrier shown. If it isn't, check the Michigan page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 269-390 | Onvoy | Internet / business phone carrier | – |
| 269-462 | AT&T Mobility | Mobile carrier | – |
| 269-752 | TON80 Communications | Internet / business phone carrier | 2022 |
| 269-782 | Frontier | Local phone company | – |
| 269-783 | Frontier | Local phone company | – |
| 269-853 | Interactive Services Network | Internet / business phone carrier | – |
| 269-869 | Interactive Services Network | Internet / business phone carrier | 2001 |
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.