Phone numbers in Marshfield, Missouri
Marshfield has 6 phone prefixes in area code 417.
Biggest holders: Verizon Wireless, Brightspeed Of Missouri, Onvoy. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 50%
- Local phone company 33%
- Internet / business phone carrier 17%
Every prefix in Marshfield
Search the first six digits of a number in this list. If it's here, the number started in Marshfield with the carrier shown. If it isn't, check the Missouri page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 417-241 | Verizon Wireless | Mobile carrier | 2002 |
| 417-468 | Brightspeed Of Missouri | Local phone company | – |
| 417-562 | Verizon Wireless | Mobile carrier | – |
| 417-630 | Verizon Wireless | Mobile carrier | 2005 |
| 417-859 | Brightspeed Of Missouri | Local phone company | – |
| 417-943 | Onvoy | 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.