AdSense placeholder
Paste your AdSense script + ad units in src/layout_bottom.php, then set $ads_enabled = true.
Home / Carriers / DUO COUNTY TELEPHONE COOPERATIVE, INC.

DUO COUNTY TELEPHONE COOPERATIVE, INC.

Operating Company Number (OCN): 0401

Browse states

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)

StateNPANXXRate centerOpen
KY 270 343 JAMESTOWN Prefix
KY 270 378 FAIRPLAY Prefix
KY 270 379 FAIRPLAY Prefix
KY 270 430 BRKSVL RUL Prefix
KY 270 433 BRKSVL RUL Prefix
KY 270 858 RUSSELLSPG Prefix
KY 270 866 RUSSELLSPG 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.
Light theme (AdSense-ready).