OCN 543C — Onvoy, LLC - Mi

Operating Company Number (OCN) 543C identifies Onvoy, LLC - Mi in North American telephone routing records.

Area codes with Onvoy, LLC - Mi numbers

• 810 (11)
• 313 (3)
• 989 (3)
• 269 (1)
• 906 (1)
• 947 (1)

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Last updated: April 13, 2026