Phone numbers in Novato, California
Novato has 28 phone prefixes in area codes 415, 628.
Biggest holders: Frontier, AT&T Mobility, T-Mobile (including Sprint). This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 39%
- Local phone company 25%
- Internet / business phone carrier 36%
Every prefix in Novato
Search the first six digits of a number in this list. If it's here, the number started in Novato with the carrier shown. If it isn't, check the California page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 415-208 | AT&T Mobility | Mobile carrier | 2026 |
| 415-209 | Frontier | Local phone company | – |
| 415-246 | AT&T Mobility | Mobile carrier | – |
| 415-301 | T-Mobile (including Sprint) | Mobile carrier | – |
| 415-320 | T-Mobile (including Sprint) | Mobile carrier | 2001 |
| 415-328 | Verizon Wireless | Mobile carrier | – |
| 415-408 | Teleport Communications America | Internet / business phone carrier | – |
| 415-493 | Level 3 (Lumen) | Internet / business phone carrier | – |
| 415-599 | Onvoy | Internet / business phone carrier | – |
| 415-761 | Peerless Network Of California | Internet / business phone carrier | 2013 |
| 415-798 | T-Mobile (including Sprint) | Mobile carrier | – |
| 415-827 | AT&T Mobility | Mobile carrier | – |
| 415-858 | AT&T Mobility | Mobile carrier | 2011 |
| 415-878 | AT&T (local phone) | Local phone company | – |
| 415-892 | Frontier | Local phone company | – |
| 415-893 | Frontier | Local phone company | – |
| 415-895 | MCImetro (Verizon Business) | Internet / business phone carrier | – |
| 415-897 | Frontier | Local phone company | – |
| 415-898 | Frontier | Local phone company | – |
| 415-899 | Frontier | Local phone company | – |
| 415-985 | Tpx Communications | Internet / business phone carrier | 2014 |
| 628-209 | Telnyx | Internet / business phone carrier | 2016 |
| 628-214 | Peerless Network Of California | Internet / business phone carrier | 2016 |
| 628-236 | T-Mobile (including Sprint) | Mobile carrier | 2016 |
| 628-294 | AT&T Mobility | Mobile carrier | 2023 |
| 628-301 | T-Mobile (including Sprint) | Mobile carrier | 2024 |
| 628-587 | Fractel | Internet / business phone carrier | 2021 |
| 628-682 | Onvoy | Internet / business phone carrier | 2020 |
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.