Phone numbers in St. Johnsbury, Vermont
St. Johnsbury has 11 phone prefixes in area code 802.
Biggest holders: Onvoy, AT&T Mobility, Consolidated Communications Of Vermont. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 36%
- Local phone company 18%
- Internet / business phone carrier 45%
Every prefix in St. Johnsbury
Search the first six digits of a number in this list. If it's here, the number started in St. Johnsbury with the carrier shown. If it isn't, check the Vermont page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 802-206 | Onvoy | Internet / business phone carrier | 2023 |
| 802-217 | Onvoy | Internet / business phone carrier | 2020 |
| 802-274 | Verizon Wireless | Mobile carrier | 2001 |
| 802-397 | AT&T Mobility | Mobile carrier | 2016 |
| 802-424 | Windstream (PAETEC) | Internet / business phone carrier | 2010 |
| 802-473 | Level 3 (Lumen) | Internet / business phone carrier | – |
| 802-535 | AT&T Mobility | Mobile carrier | 2002 |
| 802-745 | National Mobile Communications | Mobile carrier | 2001 |
| 802-748 | Consolidated Communications Of Vermont | Local phone company | – |
| 802-751 | Consolidated Communications Of Vermont | Local phone company | – |
| 802-802 | Onvoy | Internet / business phone carrier | 2022 |
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.