64221000 - Interconnection services

CPV code 64221000 in the EU Common Procurement Vocabulary refers to Interconnection services. It sits at level 4 of the CPV hierarchy as a category within the 64 division. This code is nested directly under 64220000, narrowing the broader category into the specific area of interconnection services. As a leaf code, 64221000 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns interconnection services. Contracting authorities across the EU use 64221000 in TED notices and national procurement portals to signal that a tender relates to interconnection services.