OCN 5090 · Regional Bell Operating Company
Michigan Bell Telephone Company - MI HOT
d/b/a AT&T Michigan
Holding: AT&T Inc
Total blocks
0
Recent (18 mo)
0
Medium
0
Old
0
Area codes
0
States
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Address
2000 W Ameritech Center Dr, Room 4G33A
Hoffman Estates, IL 60192-5005
2000 W Ameritech Center Dr, Room 4G33A
Hoffman Estates, IL 60192-5005
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Block portfolio at a glance
By age
- Recent (0). Last 18 mo
- Medium (0)
- Old (0)
Area codes
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States
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Sister OCNs under AT&T Inc
| OCN | Company | Total | Recent |
|---|---|---|---|
| 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 |
| 9321 | Ameritech Ohio | 4,377 | 0 |