Phone numbers in Garden Plain, Kansas
Garden Plain has 4 phone prefixes in area code 316.
Biggest holders: AT&T (local phone), Onvoy, Coretel Kansas. This is the local calling area (rate center) where those prefixes were first assigned.
- Local phone company 50%
- Internet / business phone carrier 25%
- Phone company 25%
Every prefix in Garden Plain
Search the first six digits of a number in this list. If it's here, the number started in Garden Plain with the carrier shown. If it isn't, check the Kansas page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 316-222 | Onvoy | Internet / business phone carrier | 2023 |
| 316-531 | AT&T (local phone) | Local phone company | – |
| 316-535 | AT&T (local phone) | Local phone company | – |
| 316-837 | Coretel Kansas | Phone company | 2019 |
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.