Adva Optical Networking North America, Inc. 401(k) Plan: Login, Facts & Contact Information

Adva Optical Networking North America, Inc. 401(k) Plan Facts

Plan name
ADTRAN NETWORKS NORTH AMERICA INC. 401(K) PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
ADTRAN NETWORKS NORTH AMERICA INC.
Participants
572 (297 active employees)
Former employees with a balance
203
Plan assets
$121,031,224 at Dec 31, 2024
Average account balance
$245,998 across 492 accounts
Employer contributions
$586,580 in plan year 2024 (10% of all contributions)
Recordkeeper
Principal Life Insurance Company
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jan 1, 1999
Employer contributions Automatic enrollment Default investment for undecided participants Participants choose their own investments Self-directed brokerage window Profit sharing Company stock (ESOP)

Source: Form 5500 for plan year 2024 (Jan 1, 2024 – Dec 31, 2024), filed Sep 11, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $5.69 million went into the plan in contributions, $586,580 of it from the employer (10%).
  • $17.8 million was paid out to participants.
  • Investment and other income added $16.8 million.
  • Administrative expenses were $217,024, about $441 per account.

How the Adva Optical Networking North America, Inc. 401(k) changed, 20192024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019683$99.5 million$752,947$6.48 million
2020671$113.1 million$843,654$8.72 million
2021629$127.7 million$1.05 million$7.84 million
2022635$107.1 million$716,708$4.77 million
2023618$116.6 million$763,233$16.5 million
2024572$121.0 million$586,580$17.8 million

Adva Optical Networking North America, Inc. 401(k) Contact Information

Phone
678-728-8799
Mailing address
5755 PEACHTREE INDUSTRIAL BLVD, NORCROSS GA 300923502
Plan sponsor
ADTRAN NETWORKS NORTH AMERICA INC.
Employer identification number (EIN)
77-0546619
Plan number
001

Questions about the Adva Optical Networking North America, Inc. 401(k)

Does Adva Optical Networking North America, Inc contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $586,580, 10% of all contributions.

Does the Adva Optical Networking North America, Inc 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Adva Optical Networking North America, Inc 401(k) plan?

572 participants at the start of plan year 2024, 297 of them active employees, and 203 former employees who still had money in the plan.

What is the average 401(k) balance at Adva Optical Networking North America, Inc?

About $245,998 per account: $121.0 million in plan assets across 492 accounts with a balance at the end of plan year 2024.

Who manages the Adva Optical Networking North America, Inc 401(k) accounts?

Principal (listed on the filing as PRINCIPAL LIFE INSURANCE COMPANY) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Adva Optical Networking North America, Inc. How do I access my 401(k)?

Your account stays with Principal after you leave, so you can log in with the same credentials. If your balance was small, the plan may have rolled it into an IRA in your name. If you can't find it, Beagle can locate it for you.

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