Lookup › OCN 7133
OCN 7133 — McI Worldcom Communications, I
Operating Company Number (OCN) 7133 identifies McI Worldcom Communications, I in North American telephone routing records.
| OCN | 7133 |
|---|---|
| Company | McI Worldcom Communications, I |
| Numbers in directory | 0 |
Area codes with McI Worldcom Communications, I numbers
- 631 (1)
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Last updated: June 13, 2026