Comporium Communications
Holding: Comporium Inc
2004-02-20
2016-06-24
About Comporium Communications
Comporium Communications is an independent local exchange carrier (ILEC) providing telephone, broadband internet, cable TV, and home security services primarily to residential and business customers in rural and suburban areas of South Carolina and parts of North Carolina. It operates in a service area covering over 4,500 square miles across multiple counties, with additional business communications offerings in Charlotte and Spartanburg, SC. Ranked as the 13th largest US telecommunications provider, it maintains a regional focus with some investments in connected home technologies.
- Parent: Comporium Inc.
- Founded: 1891
- Headquarters: Rock Hill, SC
- Services: ILEC voice, broadband internet, cable TV, home security, business communications
Sources: About Comporium Communications - Celebrating 125 Years! · Comporium - Wikipedia · Comporium Careers, Perks + Culture - Built In
Headquarters: Rock Hill, SC
From Comporium Inc (OCN 0542), the largest member of the Comporium Communications group.
Carrier website
comporium.com: opens in a new tab
Block portfolio at a glance
By age
- Recent (0). Last 18 mo
- Medium (0)
- Old (14)
- Undated (79)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- South Carolina SC · 91
- North Carolina NC · 2
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Member OCNs
4 OCNs roll up under Comporium Communications.
| OCN | Company name on file | HQ | Type | Total | Recent |
|---|---|---|---|---|---|
| 0542 | Comporium Inc | Rock Hill, SC | Incumbent Local Exchange Carrier | 53 | · |
| 0531 | Lancaster Telephone Company | Rock Hill, SC | Incumbent Local Exchange Carrier | 22 | · |
| 0521 | Fort Mill Telephone Company | Rock Hill, SC | Incumbent Local Exchange Carrier | 16 | · |
| 749H | Comporium Inc - NC | Rock Hill, SC | Competitive Local Exchange Carrier | 2 | · |