EntityWire

EntityWire / EIN 04-3387074

Employer with a benefit plan

RIBBON COMMUNICATIONS OPERATING COMPANY, INC.

EIN 04-3387074. What DOL Form 5500 filings (EFAST2) and SEC EDGAR company filings say about this entity, with the source and date on every fact. Latest record 2026-06-01.

Employer with a benefit plan ยท SEC filer

RIBBON COMMUNICATIONS OPERATING COMPANY, INC.

Also filed as Sonus, Inc.; SONUS NETWORKS INC

6500 CHASE OAKS BLVD. SUITE 100, PLANO, TX 75023

EIN

04-3387074

Benefit plan 501, 2024 filing

RIBBON COMMUNICATIONS OPERATING COMPANY, INC.

DOL · 2026-06-01

Participants (start of year)

666

DOL · 2026-06-01

Plan features

code 4A4B4D4E4F4H4L

DOL · 2026-06-01

Plan type

Single-employer plan

DOL · 2026-06-01

Business code (NAICS)

334200

DOL · 2026-06-01

Benefit plan 502, 2024 filing

RIBBON COMMUNICATIONS

DOL · 2026-04-09

Participants (start of year)

127

DOL · 2026-04-09

Plan features

code 4B4H

DOL · 2026-04-09

Plan type

Single-employer plan

DOL · 2026-04-09

Business code (NAICS)

334200

DOL · 2026-04-09

Benefit plan 1, 2024 filing

RIBBON COMMUNICATIONS 401(K) PROFIT SHARING PLAN

DOL · 2025-10-14

Participants (start of year)

1,393

DOL · 2025-10-14

Plan features

code 2E2F2G2J2K2S2T3D

DOL · 2025-10-14

Plan type

Single-employer plan

DOL · 2025-10-14

From DOL Form 5500 filings (EFAST2) · SEC EDGAR company filings. Latest record 2026-06-01.

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