Phone numbers in Troy, Missouri
Troy has 11 phone prefixes in area code 636.
Biggest holders: T-Mobile (including Sprint), Verizon Wireless, Brightspeed Of Missouri. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 64%
- Local phone company 18%
- Internet / business phone carrier 18%
Every prefix in Troy
Search the first six digits of a number in this list. If it's here, the number started in Troy with the carrier shown. If it isn't, check the Missouri page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 636-290 | T-Mobile (including Sprint) | Mobile carrier | 2002 |
| 636-295 | Verizon Wireless | Mobile carrier | – |
| 636-318 | T-Mobile (including Sprint) | Mobile carrier | – |
| 636-358 | AT&T Mobility | Mobile carrier | – |
| 636-367 | T-Mobile (including Sprint) | Mobile carrier | 2023 |
| 636-380 | Verizon Wireless | Mobile carrier | 2024 |
| 636-383 | MetroPCS (T-Mobile) | Mobile carrier | 2014 |
| 636-462 | Brightspeed Of Missouri | Local phone company | – |
| 636-528 | Brightspeed Of Missouri | Local phone company | – |
| 636-622 | MCImetro (Verizon Business) | Internet / business phone carrier | – |
| 636-775 | Charter / Spectrum | Internet / business phone carrier | 2011 |
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.