Telephone service

Telephone service may refer to:
 * Improved Mobile Telephone Service (IMTS)
 * Local telephone service
 * Mobile Telephone Service (MTS)
 * Plain old telephone service (POTS)
 * Helpline
 * Telephone line
 * a customer service callcenter or "telephone answering service"
 * a telecommunication provider
 * Telephone switchboard
 * Switchboard operators