Phone numbers in Steubenville, Ohio
Steubenville has 21 phone prefixes in area codes 220, 740.
Biggest holders: AT&T (local phone), T-Mobile (including Sprint), AT&T Mobility. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 48%
- Local phone company 29%
- Internet / business phone carrier 19%
- Phone company 5%
Every prefix in Steubenville
Search the first six digits of a number in this list. If it's here, the number started in Steubenville with the carrier shown. If it isn't, check the Ohio page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 220-209 | T-Mobile (including Sprint) | Mobile carrier | 2021 |
| 220-265 | Onvoy | Internet / business phone carrier | 2024 |
| 740-219 | T-Mobile (including Sprint) | Mobile carrier | – |
| 740-264 | AT&T (local phone) | Local phone company | – |
| 740-266 | AT&T (local phone) | Local phone company | – |
| 740-275 | Windstream (PAETEC) | Internet / business phone carrier | – |
| 740-278 | T-Mobile (including Sprint) | Mobile carrier | – |
| 740-282 | AT&T (local phone) | Local phone company | – |
| 740-283 | AT&T (local phone) | Local phone company | – |
| 740-284 | AT&T (local phone) | Local phone company | – |
| 740-314 | Level 3 (Lumen) | Internet / business phone carrier | 2002 |
| 740-317 | AT&T Mobility | Mobile carrier | – |
| 740-346 | AT&T (local phone) | Local phone company | – |
| 740-381 | Verizon Wireless | Mobile carrier | – |
| 740-424 | T-Mobile (including Sprint) | Mobile carrier | 2002 |
| 740-457 | MCImetro (Verizon Business) | Internet / business phone carrier | – |
| 740-461 | Verizon Wireless | Mobile carrier | 2004 |
| 740-512 | Verizon Wireless | Mobile carrier | – |
| 740-632 | AT&T Mobility | Mobile carrier | – |
| 740-792 | AT&T Mobility | Mobile carrier | 2005 |
| 740-996 | First Communications | Phone company | 2002 |
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.