Phone numbers in Foristell, Missouri
Foristell has 5 phone prefixes in area code 636.
Biggest holders: Verizon Wireless, Brightspeed Of Missouri, T-Mobile (including Sprint). This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 60%
- Local phone company 40%
Every prefix in Foristell
Search the first six digits of a number in this list. If it's here, the number started in Foristell with the carrier shown. If it isn't, check the Missouri page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 636-251 | Verizon Wireless | Mobile carrier | – |
| 636-430 | T-Mobile (including Sprint) | Mobile carrier | 2025 |
| 636-459 | Verizon Wireless | Mobile carrier | – |
| 636-463 | Brightspeed Of Missouri | Local phone company | – |
| 636-673 | Brightspeed Of Missouri | Local phone company | – |
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.