Official definition
This Canadian industry comprises establishments primarily engaged in manufacturing wired telephone and data communications equipment. These products may be stand-alone or board-level components of a larger system.
Canadian industry
334210 Telephone apparatus manufacturing
Fabrication de matériel téléphonique
Official classification fields for this page
Official classification fields taken from the current StatCan source bundle.
| Characteristic | Description |
|---|---|
| Official title | Telephone apparatus manufacturing |
| Classification | NAICS Canada 2022 Version 1.0 |
| Publishing authority | Statistics Canada |
| Hierarchical level | Canadian industry |
| Parent code | 33421 - Telephone apparatus manufacturing |
| International correspondence | C2630* |
| Source | https://www.statcan.gc.ca/en/subjects/standard/naics/2022/v1/index |
| Source verification | 2026-05-05 |
Canada-wide tax and filing context
Canada-wide business, tax, and filing context from the local country pack and tax pack.
| Characteristic | Description |
|---|---|
| Tax authority | Canada Revenue Agency (CRA) |
| Business identifier | Business Number (BN): 9-digit identifier with program account suffixes such as RT0001 for GST/HST, RP0001 for payroll, and RC0001 for corporate income tax. |
| Filing requirements | Business Number registration; Form T2125 (Statement of Business or Professional Activities) attached to T1; Form T2 (Corporation Income Tax Return); Form T5013; Form GST34 |
| Sector authority | No cluster authority recorded in the local country pack. |
Exclusions
- 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))
Examples
- 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
- 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
Who is this code for
This code typically applies to:
Also relevant for
cordless telephones (except cellular), manufacturingfacsimile equipment, stand-alone, manufacturingmodems, carrier equipment, manufacturingprivate branch exchange (PBX) equipment, manufacturingtelephone answering machines, manufacturing
Source: STATCAN_TITLE, 2026-05-05
Classification Confidence Score
5 of 6 factors passing
8/ 10
Verified official source — naics-scian-2022-structure-v1-eng.csv (2026-05-05)
International crosswalk — ISIC Rev. 4 mapping: C2630*
Previous edition migration — NAICS 2017 to 2022 continuity confirmed
Complete hierarchy — 5 levels confirmed in hierarchy
Size or threshold documented — SME thresholds documented in federal tax pack
Trade or export match — No direct HS code correspondence in current bundle
Legacy crosswalk — Legacy system (SIC 1980) retired in this region
Business Profiles
When you might need code 334210
These role examples come from the official title and example wording attached to this code.
01
334210
Telephone apparatus manufacturing
Use this page when the business is directly described by the official title or definition for 334210 Telephone apparatus manufacturing. It is the closest source-backed checkpoint before BN registration, GST/HST review, banking onboarding, or internal classification work.
02
334210
cordless telephones (except cellular), manufacturing
Use this page when the activity is described in the official StatCan example wording as cordless telephones (except cellular), manufacturing. Compare the definition, exclusions, and nearby codes here before attaching 334210 Telephone apparatus manufacturing to a business file.
03
334210
facsimile equipment, stand-alone, manufacturing
Use this page when the activity is described in the official StatCan example wording as facsimile equipment, stand-alone, manufacturing. Compare the definition, exclusions, and nearby codes here before attaching 334210 Telephone apparatus manufacturing to a business file.
04
334210
modems, carrier equipment, manufacturing
Use this page when the activity is described in the official StatCan example wording as modems, carrier equipment, manufacturing. Compare the definition, exclusions, and nearby codes here before attaching 334210 Telephone apparatus manufacturing to a business file.
Business categories in this branch
A rotating set of business activity examples linked to this part of the Canadian hierarchy.
In this section
- 334210Telephone apparatus manufacturing
Commonly confused with
334220 — Radio and television broadcasting and wireless communications equipment manufacturing
manufacturing cellular telephones; and microwave transmission equipment (See 334220 Radio and telev...
334410 — Semiconductor and other electronic component manufacturing
manufacturing internal and external computer modems, fax/modems and telephone transformers (See 334...
ISIC Rev. 4 correspondence
C2630*Manufacture of communication equipment
Approximate correspondence
Telephone apparatus, manufacturing
US NAICS reference334210 - Telephone Apparatus Manufacturing
Source row
334210Telephone apparatus manufacturing
This page mirrors the source row from the structure CSV and the matching rows from the elements and crosswalk files.
Frequently asked questions
What does code 334210 cover?
Telephone apparatus manufacturing: This Canadian industry comprises establishments primarily engaged in manufacturing wired telephone and data communications equipment. These products may be stand-alone or board-level components of a larger system.
Which level of the hierarchy is 334210?
It is a canadian industry page in the NAICS Canada 2026 hierarchy.
What is the parent of 334210?
It rolls up to 33421 Telephone apparatus manufacturing.
Should I stop at 334210 or go lower?
This page already points to the exact six-digit Canadian industry in the current site structure.
Are official inclusion notes attached to 334210?
No inclusion rows are attached to this page in the local elements file.
Are there exclusion notes for 334210?
Yes. 2 exclusion note(s) help separate this page from nearby codes.
Does 334210 include illustrative examples?
Yes. 31 example row(s) are available for boundary checking.
What kinds of businesses often start from this page?
Examples in this branch include Wood products, Consumer goods, Food processing, Metal fabrication.
Is there an ISIC mapping for 334210?
Yes. The page shows C2630* Manufacture of communication equipment.
Does this page show a US NAICS reference?
Yes. A same-code US reference is attached: Telephone Apparatus Manufacturing.
Why are both English and French titles shown?
NAICS Canada is bilingual, so the page keeps both language titles visible for comparison and lookup.
Where does the page text come from?
From the local StatCan structure file, elements file, ISIC crosswalk, and the bundled US 6-digit reference workbook.