NAICS 561421

Telephone Answering Services

Key Figures

Establishments
1,035
Census CBP · 2023
Employment
41,582
Census CBP · 2023
Market size
$2.6B
Census Economic Census · 2022

Figures are published for NAICS 561421 directly.

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Official definition

This U.S. industry comprises establishments primarily engaged in answering telephone calls and relaying messages to clients.

Source: US Census Bureau, 2017 NAICS Definitions. Public domain.

Which code does this activity belong in?

Telephone answering services are distinguished from telemarketing and broader contact center operations by their reactive function. Code 561421 covers establishments that receive incoming calls and relay messages to clients, a passive reception and communication task. Telemarketing bureaus and other contact centers, classified in code 561422, actively initiate outbound calls or handle inbound communications across multiple channels including telephone, facsimile, and email for purposes such as promoting products, taking orders, or soliciting contributions. The boundary lies in whether the establishment primarily answers and relays messages versus actively engaging in marketing, sales, or multi-channel customer service on behalf of clients.

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Where this sits

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