North American Industry Classification System 2022International Standard Industrial Classification of All Economic Activities, Rev.4
NAICS 2022 561421 to ISIC Rev 4
Crosswalk mapping from NAICS 2022 561421 "Telephone Answering Services" to ISIC Rev 4. 1 official equivalence.
NAICS 2022 561421 in ISIC Rev 4
Each entry is an official equivalence edge. Click to see the full ISIC Rev 4 definition, hierarchy, and its own crosswalks.
Reverse direction: ISIC Rev 4 to NAICS 2022
About NAICS 2022 561421
561421 Telephone Answering ServicesThis U.S. industry comprises establishments primarily engaged in answering telephone calls and relaying messages on behalf of clients or for other establishments of the same enterprise. Cross-References.