NicatioNs, compaNy> (from telephoNe compaNy) A compaNy providiNg phoNe services to eNd users. The compaNy may or may Not provide other phoNe services such operatiNg loNg-distaNce/iNterNatioNal backboNes but the Name telco usually emphasises its operatioN as a local service provider. Compare: PTT. (1998-05-18)