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

CONCORD TELEPHONE EXCHANGE, INC.

Operating Company Number (OCN): 0559

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
TN 865 218 CONCORD Prefix
TN 865 671 CONCORD Prefix
TN 865 672 CONCORD Prefix
TN 865 675 CONCORD Prefix
TN 865 777 CONCORD Prefix
TN 865 966 CONCORD 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).