Phone numbers in Chesapeake, Ohio
Chesapeake has 10 phone prefixes in area codes 220, 740.
Biggest holders: Frontier, Onvoy, AT&T Mobility. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 30%
- Local phone company 30%
- Internet / business phone carrier 30%
- Phone company 10%
Every prefix in Chesapeake
Search the first six digits of a number in this list. If it's here, the number started in Chesapeake with the carrier shown. If it isn't, check the Ohio page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 220-240 | Onvoy | Internet / business phone carrier | 2022 |
| 220-254 | AT&T Mobility | Mobile carrier | 2023 |
| 220-386 | Fractel | Internet / business phone carrier | 2021 |
| 740-451 | Armstrong Telecommunications | Phone company | 2007 |
| 740-740 | Onvoy | Internet / business phone carrier | 2025 |
| 740-744 | AT&T Mobility | Mobile carrier | 2016 |
| 740-861 | Verizon Wireless | Mobile carrier | 2008 |
| 740-867 | Frontier | Local phone company | – |
| 740-886 | Frontier | Local phone company | – |
| 740-894 | Frontier | 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.