Top Definition
Short for TELephone COmpany or TELeCOmmunications. Now, any company or group that uses electronic communication might consider themselves a telco.
Screw ATT, we're starting our own telco.
by buggum September 18, 2005
Telco is commonly used to designate the Telecommunication service provider.
Can you follow up on the dispatch with the local telco?
by platonik August 07, 2014
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