Cincinnati Bell Telephone Company LLC
d/b/a Cincinnati Bell Telephone
Part of the Cincinnati Bell group. 2 OCNs across 3 states · 1,210 blocks combined.
Holding: Cincinnati Bell Inc
201 E 4th St, Room 102-910
Cincinnati, OH 45202-4248
cinbell.com
2001-05-24
2025-06-02
About Cincinnati Bell
Cincinnati Bell, operating as altafiber, is a regional telecommunications provider offering landline telephone, fiber-optic internet, and IPTV services primarily to residential and business customers in the Greater Cincinnati area (Ohio, Kentucky, Indiana) and Hawaii through its incumbent local exchange carrier subsidiaries Cincinnati Bell Telephone and Hawaiian Telcom. It also provides enterprise IT services and long-distance calling. The company was acquired by Macquarie Infrastructure and Real Assets in 2021 and rebranded to altafiber in 2022.
- Parent: Macquarie Infrastructure and Real Assets
- Founded: 1873
- Headquarters: Cincinnati, OH
- Services: ILEC landline, fiber internet, IPTV, enterprise IT, long distance
Sources: Altafiber - Wikipedia · Cincinnati Bell - Black Family Reunion | Everlasting Endurance · Bell Operating Companies - Cincinnati Bell · Cincinnati Bell is now altafiber
Toll-free side: Cincinnati Bell also operates as a toll-free RespOrg (code DBC01). View on resporgs.com →
Numbers by age tier
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Carrier website
cinbell.com: opens in a new tab
HQ: Cincinnati, OH
Block portfolio at a glance
Block assignments by year
Best vanity numbers from Cincinnati Bell Telephone Company LLC's recent issuances
Numbers in blocks issued in the last 18 months whose digits spell a useful word. Filter by state and category to find one for your business. ★ marks Mike's curated standouts.
| Number | Spells | Category | State | Block issued |
|---|---|---|---|---|
| (930) 348-5433 ★ | FITLIFE | Life / Adoption / Birth Control | IN | 2025-06-02 |
| (930) 348-5463 ★ | FITLINE | Telecom / Mobile / Texting | IN | 2025-06-02 |
Want one of these or something similar? Request the number from this carrier and we'll route the request.
Most recent assignments
Last 18 months. These blocks were issued by Cincinnati Bell Telephone Company LLC since 2024-11-14.
| Number block | State | Rate center | Assigned |
|---|---|---|---|
| (930) 348-5XXX | IN | Aurora | 2025-06-02 |
Sister OCNs in the Cincinnati Bell group
Same customer-facing carrier, different state-registered OCN. Combined stats are on the Cincinnati Bell group page.
| OCN | Company name on file | HQ state | Total | Recent |
|---|---|---|---|---|
| 309B | Cincinnati Bell Extended Territories LLC - OH | OH | 175 | 15 |
Sister OCNs under Cincinnati Bell Inc
| OCN | Company | Total | Recent |
|---|---|---|---|
| 309B | Cincinnati Bell Extended Territories LLC - OH | 175 | 15 |
| 600F | Cincinnati Bell Extended Territories LLC dba Altafiber Connected Services - OH | 41 | 6 |
| 593F | Cincinnati Bell Extended Territories LLC dba Altafiber Connected Services - KY | 10 | 0 |
| 095G | CBTS Technology Solutions LLC - MO | 0 | 0 |
| 096G | CBTS Technology Solutions LLC | 0 | 0 |
| 117G | CBTS Technology Solutions LLC - MI | 0 | 0 |
| 118G | CBTS Technology Solutions LLC | 0 | 0 |
| 144G | CBTS Virginia LLC - VA | 0 | 0 |
| 145G | CBTS Virginia LLC | 0 | 0 |
| 146G | Cincinnati Bell | 0 | 0 |
| 177G | CBTS Technology Solutions LLC - LA | 0 | 0 |
| 178G | CBTS Technology Solutions LLC | 0 | 0 |