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FRONTIER COMMUNICATIONS OF MICHIGAN, INC.
Operating Company Number (OCN): 4417
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 |
|---|---|---|---|---|
| MI | 517 | 254 | FRONTIER | Prefix |
| MI | 517 | 287 | NORTHADAMS | Prefix |
| MI | 517 | 296 | MONTGOMERY | Prefix |
| MI | 517 | 357 | CAMBRIA | Prefix |
| MI | 517 | 368 | CAMDEN | Prefix |
| MI | 517 | 383 | PRATTVILLE | Prefix |
| MI | 517 | 467 | ONSTED | Prefix |
| MI | 517 | 523 | OSSEO | Prefix |
| MI | 517 | 524 | CONCORD | Prefix |
| MI | 517 | 563 | HANOVER | Prefix |
| MI | 517 | 567 | RANSOM | Prefix |
| MI | 517 | 592 | BROOKLYN | Prefix |
| MI | 517 | 688 | BUNDY HILL | Prefix |
| MI | 517 | 869 | ALLEN | 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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