NAICS 2022 nationalIndustry USA Verified: Census NAICS 2022 · 2026-01-01

NAICS 334210 — Telephone Apparatus Manufacturing

Telephone Apparatus Manufacturing

NAICS 334210 is the national industry code for telephone apparatus manufacturing establishments in the United States. The Small Business Administration sets a size standard of 1,250 for this classification. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.

SBA: 1,250 View full SBA standard

Exclusions & Cross-References

Activities classified under other official NAICS codes:

manufacturing cellular telephones; and microwave transmission equipment (See 334220 Radio and television broadcasting and wireless communications equipment manufacturing)
manufacturing internal and external computer modems, fax/modems and telephone transformers (See 334410 Semiconductor and other electronic component manufacturing (MEX))

Official Illustrative Examples

Primary activities officially recognized by Census Bureau / Statistics Canada:

cordless telephones (except cellular), manufacturing facsimile equipment, stand-alone, manufacturing modems, carrier equipment, manufacturing private branch exchange (PBX) equipment, manufacturing telephone answering machines, manufacturing telephone carrier line equipment, manufacturing telephone carrier switching equipment, manufacturing telephones (except cellular telephones), manufacturing wide (WAN) and local area network (LAN) communication equipment (e.g., bridges, gateways, routers), manufacturing

Complete Index of Activities (22 recognized activities) ▼

carrier equipment (i.e., analog, digital), telephone, manufacturing

central office and switching equipment, telephone, manufacturing

communications headgear, telephone, manufacturing

cordless telephones (except cellular), manufacturing

data communications equipment (e.g., bridges, gateways, routers), manufacturing

facsimile equipment, stand-alone, manufacturing

keysets, telephone, manufacturing

modems, carrier equipment, manufacturing

multiplex equipment, telephone, manufacturing

PBX (private branch exchange) equipment, manufacturing

private branch exchange (PBX) equipment, manufacturing

repeater and transceiver equipment, carrier line, manufacturing

subscriber loop equipment, telephone, manufacturing

switching equipment, telephone, manufacturing

telephone answering machines, manufacturing

telephone carrier line equipment, manufacturing

telephone carrier switching equipment, manufacturing

telephone sets, refurbishing on a factory basis

telephones (except cellular telephones), manufacturing

telephones, coin operated, manufacturing

toll switching equipment, telephone, manufacturing

wide (WAN) and local area network (LAN) communication equipment (e.g., bridges, gateways, routers), manufacturing

Official data

Feature	Description
Official name	North American Industry Classification System (NAICS) 2022
Issuing authority	U.S. Census Bureau with OMB, Statistics Canada, and INEGI
Tax authority	Internal Revenue Service (IRS)
Purpose	Statistical business classification and federal contracting (SAM.gov, SBA standards)
Used in	SAM.gov registration, SBA size determinations, IRS tax classification, SEC EDGAR (via SIC crosswalk)
Active since	2022 (current edition)
Hierarchy level	Sector (2-digit)
Source	https://www.census.gov/naics/