Carrier group · Incumbent Local Exchange Carrier
Madison Telephone Company
Holding: Schwartz Ventures Inc
Total blocks
5
Recent (18 mo)
0
Medium
0
Old
2
Member OCNs
1
States
1
Area codes
1
First assigned block
2001-05-03
2001-05-03
Last assigned block
2001-05-03
2001-05-03
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Headquarters: Hamel, IL
Block portfolio at a glance
By age
- Recent (0). Last 18 mo
- Medium (0)
- Old (2)
- Undated (3)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- Illinois IL · 5
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Member OCNs
1 OCN roll up under Madison Telephone Company.
| OCN | Company name on file | HQ | Type | Total | Recent |
|---|---|---|---|---|---|
| 1049 | Madison Telephone Company | Hamel, IL | Incumbent Local Exchange Carrier | 5 | · |