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Ameritech Ohio issued these blocks within the last 18 months, so many of the numbers in them may not have been assigned to customers yet. Call any number you're interested in, and if it doesn't go to a customer you can contact Ameritech Ohio and you might be able to get it from them.

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About AT&T Ohio

AT&T Ohio is an AT&T-owned incumbent local exchange carrier (ILEC) providing local telephone services in Ohio. It primarily serves retail consumer and business customers with voice, internet, and related wireline services. As a regional Bell Operating Company (RBOC) subsidiary, it operates within AT&T's broader US telecom network, holding state-level Operating Company Numbers (OCNs) and originating thousands of 1,000-number blocks.

Sources: AT&T Wholesale Agreement - Defines 'AT&T OHIO' as AT&T owned ILEC in Ohio · The Ohio Bell AT&T Tariff PUCO NO. 20 · AT&T Invests Nearly $300 Million in Columbus-area Networks (2015)

Toll-free side: Related toll-free RespOrg: AT&T (code BSSB1). View on resporgs.com →

Carrier website

Homepage screenshot of Ameritech Ohio att.com: opens in a new tab

HQ: Hoffman Estates, IL

Street view of Ameritech Ohio HQ
Street view
Satellite view of Ameritech Ohio HQ
Satellite

Block portfolio at a glance

By age

Old: 277Undated: 4,1004,377blocks
  • Recent (0). Last 18 mo
  • Medium (0)
  • Old (277)
  • Undated (4,100)

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 VirginiaKentuckyOhio (OH): 4,377 blocksMichiganWyomingMontanaIdahoWashingtonTexasCaliforniaArizonaNevadaUtahColoradoNew MexicoOregonNorth DakotaSouth DakotaNebraskaIowaMississippiIndianaIllinoisMinnesotaWisconsinMissouriArkansasOklahomaKansasLouisianaVirginiaDistrict of Columbia

Top area codes

Bars show total blocks; red overlay is recent.

61489733075021673193761774044341943844040251352380202341656711

Block assignments by year

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33 04
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07
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31 09
30 10
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27 16
18

Area codes

NPABlocksRecentLast
614 897 · 2013-06-28
330 750 · 2006-07-27
216 731 · 2014-11-18
937 617 · 2009-05-15
740 443 · 2010-01-15
419 438 · 2005-01-13
440 402 · 2011-06-30
513 52 · 2016-03-14
380 20 · 2018-04-12
234 16 · 2016-07-20
567 11 · 2009-09-16

States

StateBlocksRecent
OH 4,377 ·

Sister OCNs under AT&T Inc

OCNCompanyTotalRecent
6534 New Cingular Wireless PCS LLC - IL 58,704 6,826
6214 New Cingular Wireless PCS LLC - GA 40,046 5,473
6010 New Cingular Wireless PCS LLC 38,106 3,019
4036 New Cingular Wireless PCS LLC - DC 30,944 4,342
9533 Southwestern Bell Telephone Company 26,095 0
9740 Pacific Bell Telephone Company 18,541 0
9417 Bellsouth Telecommunications Inc dba Southern Bell Telephone & Telegraph 15,734 0
9419 Bellsouth Telecommunications Inc dba South Central Bell Telephone 13,075 0
9329 Ameritech Illinois 6,645 0
516C AT&T Enterprises LLC 5,935 113
9323 Ameritech Michigan 5,035 0
9325 Ameritech Indiana 2,941 0