Phone numbers in Pinckney, Michigan
Pinckney has 9 phone prefixes in area code 734.
Biggest holders: Onvoy, AT&T (local phone), Peerless Network Of Michigan. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 11%
- Local phone company 22%
- Internet / business phone carrier 67%
Every prefix in Pinckney
Search the first six digits of a number in this list. If it's here, the number started in Pinckney with the carrier shown. If it isn't, check the Michigan page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 734-275 | Peerless Network Of Michigan | Internet / business phone carrier | 2014 |
| 734-563 | Onvoy | Internet / business phone carrier | 2021 |
| 734-648 | Onvoy | Internet / business phone carrier | – |
| 734-688 | Onvoy | Internet / business phone carrier | – |
| 734-739 | Verizon Wireless | Mobile carrier | 2013 |
| 734-873 | Interactive Services Network | Internet / business phone carrier | 2002 |
| 734-878 | AT&T (local phone) | Local phone company | – |
| 734-954 | AT&T (local phone) | Local phone company | – |
| 734-970 | Teleport Communications America | Internet / business phone carrier | – |
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.