What is ADTRAN's NAICS code?

ADTRAN's NAICS code is 517 (Telecommunications).

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Gathering insights about ADTRAN…

Similar companies to ADTRAN

ADTRAN Tech Stack

ADTRAN uses 8 technology products and services including Adobe, CCPA, Amazon EC2, and more. Explore ADTRAN's tech stack below.

Adobe
Audio, Video, Graphics
CCPA
Certificates
Amazon EC2
Cloud Infrastructure Computing
cdnjs
Content Delivery Network
MadCap Flare
Content Management System
Okta
Identity Verification
Kotlin
Programming Languages
JSON
Programming Languages

Media & News

The AI Stock Flying Under Every Analyst's Radar -- Until Now
This networking stock doubled in a year, but the valuation still looks reasonable. Here's why analysts went from "hold" to "strong buy."
Jun 16, 2026 | www.fool.com
Microchip Launches TimePictra 12 Platform: Catalyst for More Growth?
MCHP debuts TimePictra 12 with new GUI, automation and support for advanced timing tech, scaling to 5,000 elements for critical networks.
Jun 11, 2026 | www.zacks.com
Why Is ADTRAN Holdings (ADTN) Up 19.4% Since Last Earnings Report?
ADTRAN Holdings (ADTN) reported earnings 30 days ago. What's next for the stock?
Jun 03, 2026 | www.zacks.com
Why ADTRAN Holdings (ADTN) is a Top Momentum Stock for the Long-Term
Wondering how to pick strong, market-beating stocks for your investment portfolio? Look no further than the Zacks Style Scores.
Jun 03, 2026 | www.zacks.com
Adtran resolves long-running patent litigation, reinforcing commitment to defend innovation
HUNTSVILLE, Ala.--(BUSINESS WIRE)-- #5G--Adtran today announced it has resolved a patent litigation matter, resulting in a full settlement and dismissal of all claims with prejudice. The case, initiated in 2020 by a non-practicing entity asserting five patents, was transferred to the US District Court for the Northern District of Alabama in 2021 following a successful motion by Adtran. Adtran subsequently filed counterclaims, including bad-faith patent assertion under Alabama statutory law. The settl.
May 29, 2026 | www.businesswire.com
Adtran Holdings Inc (ADTN) Stock Down 12.7% but Still Overvalued -- GF Score: 55/100
On May 28, 2026, Adtran Holdings Inc (ADTN) shares fell 12.7% to a current price of $16.92. This decline comes after a strong performance over the past year, wh
May 28, 2026 | www.gurufocus.com
Why Adtran Holdings Stock Is Skyrocketing Today
This connectivity company announced a new collaboration that may represent a quantum leap in its growth potential.
May 27, 2026 | www.fool.com

ADTRAN's Email Address Formats

ADTRAN uses at least 1 format(s):

ADTRAN Email Formats	Example	Percentage
First.Last@adtran.com	John.Doe@adtran.com	88%
FLast@adtran.com	JDoe@adtran.com	9%
First.L@adtran.com	John.D@adtran.com	2%
Last.First@adtran.com	Doe.John@adtran.com	1%

Frequently Asked Questions

Where is ADTRAN's headquarters located?

ADTRAN's main headquarters is located at 901 Explorer Boulevard Huntsville, Alabama 35806 United States. The company has employees across 6 continents, including North AmericaEuropeAsia.

What is ADTRAN's phone number?

You can contact ADTRAN's main corporate office by phone at

+1-256-963-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is ADTRAN's stock symbol?

ADTRAN is a publicly traded company; the company's stock symbol is ADTN.

What is ADTRAN's official website and social media links?

ADTRAN's official website is adtran.com and has social profiles on LinkedIn Crunchbase.

What is ADTRAN's SIC code NAICS code?

ADTRAN's SIC code is 3429 - Hardware, Not Elsewhere Classified NAICS code is 517 - Telecommunications.

How many employees does ADTRAN have currently?

As of June 2026, ADTRAN has approximately 2.4K employees across 6 continents, including North AmericaEuropeAsia. Key team members include Ceo: T. S.Chief Executive Officer: D. G.Chief Executive Officer Sal: T. S.. Explore ADTRAN's employee directory with LeadIQ.

What industry does ADTRAN belong to?

ADTRAN operates in the Telecommunications industry.

What technology does ADTRAN use?

ADTRAN's tech stack includes AdobeCCPAAmazon EC2cdnjsMadCap FlareOktaKotlinJSON.

What is ADTRAN's email format?

ADTRAN's email format typically follows the pattern of First.Last@adtran.com. Find more ADTRAN email formats with LeadIQ.

How much funding has ADTRAN raised to date?

As of June 2026, ADTRAN has raised $201M in funding. The last funding round occurred on Sep 17, 2025 for $201M.

When was ADTRAN founded?

ADTRAN was founded in 1985.

ADTRAN

Q: What is ADTRAN's official website and social media links?

ADTRAN's official website is adtran.com. ADTRAN has social profiles on LinkedIn.

Q: How many employees does ADTRAN have currently?

ADTRAN has approximately 2.4K employees.

Q: What technology does ADTRAN use?

ADTRAN's tech stack includes macOS, Signavio, Apache Struts, Twitter, UNIX.

TelecommunicationsAlabama, United States1001-5000 Employees

Adtran, Inc. is defining the future network with innovative next-generation solutions that enable telecommunication service providers to deliver voice, data and video services to homes and businesses. Our vision is to enable a fully connected world where the power to communicate is available to everyone, everywhere.

Company Overview

Headquarters: 901 Explorer Boulevard Huntsville, Alabama 35806 United States
Phone number: +1-256-963-****
Website: adtran.com
SIC Code: 3429 - Hardware, Not Elsewhere Classified
Stock Symbol: ADTN
NAICS Code: 517 - Telecommunications
Founded: 1985
Employees: 1001-5000

Media & News

Funding & Financials

$201M
ADTRAN has raised a total of $201M of funding over 1 rounds. Their latest funding round was raised on Sep 17, 2025 in the amount of $201M.
$1B$10B
ADTRAN's revenue is estimated to be in the range of $1B$10B

Funding & Financials

$201M
ADTRAN has raised a total of $201M of funding over 1 rounds. Their latest funding round was raised on Sep 17, 2025 in the amount of $201M.
$1B$10B
ADTRAN's revenue is estimated to be in the range of $1B$10B

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ADTRAN Tech Stack

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Why Is ADTRAN Holdings (ADTN) Up 19.4% Since Last Earnings Report?

Why ADTRAN Holdings (ADTN) is a Top Momentum Stock for the Long-Term

Adtran resolves long-running patent litigation, reinforcing commitment to defend innovation

Adtran Holdings Inc (ADTN) Stock Down 12.7% but Still Overvalued -- GF Score: 55/100

Why Adtran Holdings Stock Is Skyrocketing Today

ADTRAN's Email Address Formats

Frequently Asked Questions

Where is ADTRAN's headquarters located?

What is ADTRAN's phone number?

What is ADTRAN's stock symbol?

What is ADTRAN's official website and social media links?

What is ADTRAN's SIC code NAICS code?

How many employees does ADTRAN have currently?

What industry does ADTRAN belong to?

What technology does ADTRAN use?

What is ADTRAN's email format?

How much funding has ADTRAN raised to date?

When was ADTRAN founded?

ADTRAN

Company Overview

Media & News

The AI Stock Flying Under Every Analyst's Radar -- Until Now

Microchip Launches TimePictra 12 Platform: Catalyst for More Growth?

Why Is ADTRAN Holdings (ADTN) Up 19.4% Since Last Earnings Report?

Funding & Financials

Funding & Financials

Company Leadership

Employee Directory

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