NewLocalNumbers.com
OCN 9321 · Regional Bell Operating Company

Ameritech Ohio

d/b/a AT&T Ohio

Holding: AT&T Inc

Total blocks
4,377
Recent (18 mo)
0
Medium
0
Old
277
Area codes
11
States
1
Address
2000 W Att Center Dr, Room 4G33A
Hoffman Estates, IL 60192-5005
Website
AT&T Ohio
First assigned block
2001-01-05
Last assigned block
2018-04-12
Want a number from Ameritech Ohio? Tell us which one — we'll send the request to them and follow up with you.
Request a number →

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

01
02
03
33 04
05
06
07
08
31 09
30 10
11
12
13
14
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 6,972
6214 New Cingular Wireless PCS LLC - GA 40,046 5,569
6010 New Cingular Wireless PCS LLC 38,106 3,116
4036 New Cingular Wireless PCS LLC - DC 30,944 4,493
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