Phone numbers in Hamilton, Ohio
Hamilton has 61 phone prefixes in area codes 283, 513.
Biggest holders: Cincinnati Bell, Onvoy, Level 3 (Lumen). This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 21%
- Local phone company 43%
- Internet / business phone carrier 33%
- Phone company 3%
Every prefix in Hamilton
Search the first six digits of a number in this list. If it's here, the number started in Hamilton with the carrier shown. If it isn't, check the Ohio page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 283-212 | Onvoy | Internet / business phone carrier | 2023 |
| 283-215 | Onvoy | Internet / business phone carrier | 2024 |
| 283-219 | T-Mobile (including Sprint) | Mobile carrier | 2024 |
| 283-225 | T-Mobile (including Sprint) | Mobile carrier | 2024 |
| 283-231 | AT&T Mobility | Mobile carrier | 2024 |
| 283-888 | Wide Voice | Phone company | 2023 |
| 513-275 | Level 3 (Lumen) | Internet / business phone carrier | – |
| 513-285 | Level 3 (Lumen) | Internet / business phone carrier | – |
| 513-330 | Tpx Communications | Internet / business phone carrier | – |
| 513-341 | Teleport Communications America | Internet / business phone carrier | 2002 |
| 513-454 | Windstream (PAETEC) | Internet / business phone carrier | – |
| 513-499 | Verizon Wireless | Mobile carrier | 2018 |
| 513-525 | MetroPCS (T-Mobile) | Mobile carrier | 2017 |
| 513-596 | Verizon Wireless | Mobile carrier | 2019 |
| 513-603 | Cincinnati Bell | Local phone company | – |
| 513-642 | MCImetro (Verizon Business) | Internet / business phone carrier | – |
| 513-645 | Level 3 (Lumen) | Internet / business phone carrier | – |
| 513-663 | Hd Carrier | Internet / business phone carrier | 2020 |
| 513-668 | AT&T Mobility | Mobile carrier | 2006 |
| 513-682 | Cincinnati Bell | Local phone company | – |
| 513-714 | MCImetro (Verizon Business) | Internet / business phone carrier | – |
| 513-737 | Cincinnati Bell | Local phone company | – |
| 513-740 | Onvoy | Internet / business phone carrier | 2022 |
| 513-747 | Teleport Communications America | Internet / business phone carrier | 2023 |
| 513-773 | Level 3 (Lumen) | Internet / business phone carrier | – |
| 513-785 | Cincinnati Bell | Local phone company | – |
| 513-790 | Onvoy | Internet / business phone carrier | 2020 |
| 513-795 | Level 3 (Lumen) | Internet / business phone carrier | 2002 |
| 513-805 | Verizon Wireless | Mobile carrier | – |
| 513-816 | Bandwidth | Internet / business phone carrier | 2014 |
| 513-820 | Cincinnati Bell | Local phone company | – |
| 513-829 | Cincinnati Bell | Local phone company | – |
| 513-844 | Cincinnati Bell | Local phone company | – |
| 513-856 | Cincinnati Bell | Local phone company | – |
| 513-857 | AT&T Mobility | Mobile carrier | 2014 |
| 513-858 | Cincinnati Bell | Local phone company | – |
| 513-860 | Cincinnati Bell | Local phone company | – |
| 513-863 | Cincinnati Bell | Local phone company | – |
| 513-867 | Cincinnati Bell | Local phone company | – |
| 513-868 | Cincinnati Bell | Local phone company | – |
| 513-869 | Cincinnati Bell | Local phone company | – |
| 513-870 | Cincinnati Bell | Local phone company | – |
| 513-874 | Cincinnati Bell | Local phone company | – |
| 513-881 | Cincinnati Bell | Local phone company | – |
| 513-883 | AT&T Mobility | Mobile carrier | 2016 |
| 513-887 | Cincinnati Bell | Local phone company | – |
| 513-889 | Cincinnati Bell | Local phone company | – |
| 513-892 | Cincinnati Bell | Local phone company | – |
| 513-893 | Cincinnati Bell | Local phone company | – |
| 513-894 | Cincinnati Bell | Local phone company | – |
| 513-895 | Cincinnati Bell | Local phone company | – |
| 513-896 | Cincinnati Bell | Local phone company | – |
| 513-905 | Bandwidth | Internet / business phone carrier | 2021 |
| 513-907 | Verizon Wireless | Mobile carrier | 2001 |
| 513-912 | Onvoy | Internet / business phone carrier | 2015 |
| 513-939 | Cincinnati Bell | Local phone company | – |
| 513-942 | Cincinnati Bell | Local phone company | – |
| 513-953 | Wide Voice | Phone company | 2018 |
| 513-960 | MetroPCS (T-Mobile) | Mobile carrier | 2022 |
| 513-973 | Charter / Spectrum | Internet / business phone carrier | 2015 |
| 513-990 | Verizon Wireless | Mobile carrier | 2023 |
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.