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COMPORIUM, INC.
Operating Company Number (OCN): 0542
Is this carrier legit?
Carriers are telecom operating companies that own number blocks (NPA-NXX). A number showing this carrier does not guarantee the caller is that company — scam calls can spoof caller ID.
Ad Unit
Optional ad placement.Number blocks (sample)
| State | NPA | NXX | Rate center | Open |
|---|---|---|---|---|
| SC | 803 | 323 | ROCK HILL | Prefix |
| SC | 803 | 324 | ROCK HILL | Prefix |
| SC | 803 | 325 | ROCK HILL | Prefix |
| SC | 803 | 326 | ROCK HILL | Prefix |
| SC | 803 | 327 | ROCK HILL | Prefix |
| SC | 803 | 328 | ROCK HILL | Prefix |
| SC | 803 | 329 | ROCK HILL | Prefix |
| SC | 803 | 366 | ROCK HILL | Prefix |
| SC | 803 | 367 | ROCK HILL | Prefix |
| SC | 803 | 372 | ROCK HILL | Prefix |
| SC | 803 | 817 | ROCK HILL | Prefix |
| SC | 803 | 909 | ROCK HILL | Prefix |
| SC | 803 | 980 | ROCK HILL | Prefix |
| SC | 803 | 981 | ROCK HILL | Prefix |
| SC | 803 | 985 | ROCK HILL | Prefix |
Showing up to 2,000 blocks (cap for performance).
SEO keywords covered
carrier lookup • operating company number • ocn lookup • who owns this number • npa nxx • rate center
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