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WEBSTER - CALHOUN COOPERATIVE TELEPHONE ASSN.
Operating Company Number (OCN): 1328
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 |
|---|---|---|---|---|
| IA | 515 | 352 | GOWRIE | Prefix |
| IA | 515 | 353 | PILOTMOUND | Prefix |
| IA | 515 | 356 | VINCENT | Prefix |
| IA | 515 | 378 | THOR | Prefix |
| IA | 515 | 389 | CHURDAN | Prefix |
| IA | 515 | 463 | KNIERIM | Prefix |
| IA | 515 | 467 | SOMERS | Prefix |
| IA | 515 | 542 | BARNUM | Prefix |
| IA | 515 | 543 | DUNCOMBE | Prefix |
| IA | 515 | 544 | FARNHAMVL | Prefix |
| IA | 515 | 545 | BADGER | Prefix |
| IA | 515 | 546 | CLARE | Prefix |
| IA | 515 | 549 | MOORLAND | Prefix |
| IA | 515 | 846 | BOXHOLM | Prefix |
| IA | 515 | 879 | LANYON | Prefix |
| IA | 515 | 968 | PATON | 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
© 2026 Phone Directory.
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