877-988-9378: UnitedHealthcare Number Out of Service

Quick answer

(877) 988-9378 is out of service. When we called on 5 Nov 2026, it played a UnitedHealthcare recording saying the number is not in service. Call (877) 842-3210 instead.

(877) 988-9378 Out of service

Call (877) 842-3210 instead

Where to call instead

(877) 842-3210The number the recording gives.Phone menu guide →
Use the number on the back of the member’s ID card. Most of these recordings say the same.

All UnitedHealthcare phone and fax contacts →

Last checked 5 Nov 2026. We call retired numbers again every month; if one starts answering, this page goes back to describing the line.

Line at a glance

Status: Out of service
Last checked: 5 Nov 2026
Source of message: UnitedHealthcare

More questions about (877) 988-9378 (2)

Is (877) 988-9378 still in service?

No. When we called on 5 Nov 2026, it played: “You have reached a non-working number at United Healthcare. If you are enrolled with United Healthcare to receive benefits, please dial the number listed on your most recent ID card.”

What number should I call instead?

The recording gives (877) 842-3210.

Disclaimer

The information provided on this page is for general informational purposes only and does not constitute billing, coding, or reimbursement advice. Nothing on this page should be relied upon as a substitute for clinician assessment, professional billing guidance, or as a definitive statement of any payor's billing requirements or policies.

Payor agreements, fee schedules, and billing policies vary and are subject to change. Before submitting any claims related to maternity care services, including claims affected by the 2027 CPT code revisions, please consult the applicable payor agreements, coverage policies, and billing guidelines to confirm current requirements for their specific payor contracts.

Substrate makes no representation or warranty regarding the accuracy, completeness, or timeliness of the payor-specific information presented here. Providers are solely responsible for ensuring that all claims are submitted in accordance with applicable payor requirements, and Substrate assumes no liability for claim denials, underpayments, or other adverse outcomes arising from reliance on this information.