NAICS 561421 is the North American Industry Classification System code for Telephone Answering Services, a national industry in the Telephone Call Centers NAICS industry (56142) of the Administrative and Support and Waste Management and Remediation Services sector (56).
NAICS 561421 is the code for Telephone Answering Services, a national industry in the North American Industry Classification System (NAICS 2022), under 56142 (Telephone Call Centers). It is a 6-digit code, the most specific NAICS level.
The parent of NAICS 561421 is 56142, Telephone Call Centers. Every company under 561421 is also counted under 56142.