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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.

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 →

Headquarters: Cincinnati, OH

From Cincinnati Bell Telephone Company LLC (OCN 9348), the largest member of the Cincinnati Bell group.

Street view of Cincinnati Bell HQ
Street view
Satellite view of Cincinnati Bell HQ
Satellite

Carrier website

Homepage screenshot of Cincinnati Bell cinbell.com: opens in a new tab

Block portfolio at a glance

By age

Recent: 16Medium: 4Old: 244Undated: 9461,210blocks
  • Recent (16). Last 18 mo
  • Medium (4)
  • Old (244)
  • Undated (946)

Footprint by state

Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.

HawaiiAlaskaFloridaSouth CarolinaGeorgiaAlabamaNorth CarolinaTennesseeRhode IslandConnecticutMassachusettsMaineNew HampshireVermontNew YorkNew JerseyPennsylvaniaDelawareMarylandWest VirginiaKentucky (KY): 203 blocksOhio (OH): 990 blocks: 15 recentMichiganWyomingMontanaIdahoWashingtonTexasCaliforniaArizonaNevadaUtahColoradoNew MexicoOregonNorth DakotaSouth DakotaNebraskaIowaMississippiIndiana (IN): 17 blocks: 1 recentIllinoisMinnesotaWisconsinMissouriArkansasOklahomaKansasLouisianaVirginiaDistrict of Columbia

Top area codes

Bars show total blocks; red overlay is recent.

513884 / 1859203937100 / 8812163266 / 69301 / 1

Block assignments by year

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Best vanity numbers from Cincinnati Bell'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.

NumberSpellsCategoryStateBlock issued
(326) 229-7433 ★ BAYSIDE Geography / Local / Directions OH 2026-01-09
(937) 942-7866 ★ WHARTON Geography / Local / Directions OH 2026-01-09
(326) 348-5433 ★ FITLIFE Life / Adoption / Birth Control OH 2026-01-09
(930) 348-5433 ★ FITLIFE Life / Adoption / Birth Control IN 2025-06-02
(326) 229-7678 ★ BAYPORT Geography / Local / Directions OH 2026-01-09
(326) 348-5463 ★ FITLINE Telecom / Mobile / Texting OH 2026-01-09
(930) 348-5463 ★ FITLINE Telecom / Mobile / Texting IN 2025-06-02
(937) 864-6275 ★ UNIMARK Business / Corporate OH 2026-01-09
(326) 229-7467 ★ BAYSHORE General OH 2026-01-09
(937) 864-6677 ★ UNIONSQUARE Jobs / HR / Recruiting / Career OH 2026-01-09
(937) 864-6624 ★ UNIONCITY Geography OH 2026-01-09
(937) 945-7447 ★ WILSHIRE Geography / Local / Directions OH 2026-01-09
(326) 229-7434 ★ BAYRIDGE Geography OH 2026-01-09
(937) 936-8967 ★ WENTWORTH Names / Nicknames OH 2026-01-09
(937) 945-7667 WILSONS Supermarkets / Deli / Groceries OH 2026-01-09

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Member OCNs

2 OCNs roll up under Cincinnati Bell.

OCNCompany name on fileHQTypeTotalRecent
9348 Cincinnati Bell Telephone Company LLC Cincinnati, OH Incumbent Local Exchange Carrier 1,035 1
309B Cincinnati Bell Extended Territories LLC - OH Cincinnati, OH Competitive Local Exchange Carrier 175 15