OCN 749H · Competitive Local Exchange Carrier
Comporium Inc - NC
Part of the Comporium Communications group — 4 OCNs across 2 states · 93 blocks combined.
Total blocks
2
Recent (18 mo)
0
Medium
0
Old
2
Area codes
1
States
1
Address
330 E Black St
Rock Hill, SC 29730-5377
330 E Black St
Rock Hill, SC 29730-5377
Website
comporium.com
comporium.com
First assigned block
2016-06-23
2016-06-23
Last assigned block
2016-06-24
2016-06-24
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HQ — Rock Hill, SC
Block portfolio at a glance
By age
- Recent (0) — last 18 mo
- Medium (0)
- Old (2)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- North Carolina NC · 2
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Sister OCNs in the Comporium Communications group
Same customer-facing carrier, different state-registered OCN. Combined stats are on the Comporium Communications group page.
| OCN | Company name on file | HQ state | Total | Recent |
|---|---|---|---|---|
| 0542 | Comporium Inc | SC | 53 | — |
| 0531 | Lancaster Telephone Company | SC | 22 | — |
| 0521 | Fort Mill Telephone Company | SC | 16 | — |