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866 Telecom Definition
An area code prefix for toll free services in the United States. See also 800 Service, area code, and toll free service.

Browse dictionary entries near 866

  1. ‹ 850 Band
  2. ‹ 802.9
  3. ‹ 802.8
  4. ‹ 802.7
  5. ‹ 802.6
  6. ‹ 802.5
  7. ‹ 802.4
  8. ‹ 802.3z
  9. ‹ 802.3u
  10. ‹ 802.3an
  1. 877 ›
  2. 888 ›
  3. 8B/10B ›
  4. 900 ›
  5. 900 Service ›
  6. 911 ›
  7. a ›
  8. A/B trust ›
  9. à bas ›
  10. A battery ›