GTIAS Industry Analysis Available

This NAICS code maps to a fully analysed industry with an 81-attribute GTIAS scorecard, risk scenarios, and 42+ strategic frameworks.

View Industry Analysis →

About This Industry

This 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.
Establishments primarily engaged in providing paging or beeper transmission services are classified in U.S. Industry 517112, Wireless Telecommunications Carriers (except Satellite).

ISIC Rev. 4 Equivalent

NAICS 561421 maps to the following ISIC Rev. 4 class:

View the full NAICS ↔ ISIC alignment table →