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Home / Carriers / FRONTIER CALIFORNIA INC.

FRONTIER CALIFORNIA INC.

Operating Company Number (OCN): 7534

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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.

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Number blocks (sample)

StateNPANXXRate centerOpen
CA 213 740 LSAN DA 07 Prefix
CA 213 764 LSAN DA 07 Prefix
CA 213 821 LSAN DA 07 Prefix
CA 323 442 LSAN DA 04 Prefix
CA 323 865 LSAN DA 04 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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