Many customers search for the CenturyLink corporate office when they need help with an internet outage, phone service problem, billing dispute, technician no-show, downed or unburied cable, equipment return, cancellation issue, business phone outage, or a complaint that was not resolved through normal customer support.
This page provides CenturyLink and Lumen Technologies headquarters and corporate office contact information, the Monroe, Louisiana corporate address, phone number options, complaint escalation tips, review themes, and related telecom corporate office resources.
CenturyLink Corporate Office and Lumen Headquarters Contact Information
- Company Name: Lumen Technologies, Inc., formerly CenturyLink, Inc.
- CenturyLink / Lumen Corporate Headquarters Address: 100 CenturyLink Drive, Monroe, LA 71203
- Lumen Technologies Corporate Phone Number: 1-318-388-9000
- Lumen Sales Phone Number: 1-800-871-9244
- CenturyLink Residential Support: Use the CenturyLink Support Center, My CenturyLink app, chat, outage checker, or account portal
- CenturyLink Customer Service / Bill Pay Phone Route: 1-800-244-1111
- Lumen Customer Advocacy Team: 1-318-388-9800
- Lumen Enterprise and Wholesale Repair: 1-877-453-8353
- Board Correspondence: Lumen Board of Directors, Post Office Box 5061, Monroe, LA 71211
- Board Email: bo************@***en.com
- Investor Relations Email: in****************@***en.com
- Lumen Official Website: Lumen.com
- Lumen Office Locations: Lumen Office Locations
- CenturyLink Website: CenturyLink.com
- CenturyLink Support Center: CenturyLink Customer Support
- Lumen Customer Support: Lumen Support
- Stock Symbol: LUMN
CenturyLink Headquarters and Lumen Technologies Update
CenturyLink, Inc. rebranded as Lumen Technologies, Inc. in 2020. The Lumen Technologies corporate headquarters address is 100 CenturyLink Drive, Monroe, LA 71203. Customers may search for this as CenturyLink corporate office, CenturyLink headquarters, Lumen headquarters, Lumen Technologies corporate office, CenturyLink corporate address, CenturyLink corporate headquarters, or CenturyLink headquarters address and phone number.
CenturyLink remains a customer-facing brand for many residential and small business internet and phone customers. Lumen is the corporate company name and is more focused on enterprise networking, wholesale, cloud, security, voice, and technology infrastructure services.
Important Fiber and Quantum Fiber Update
Lumen completed the sale of its Mass Markets fiber-to-the-home business in 11 states, including Quantum Fiber, to AT&T in 2026. Lumen said it retained copper-based consumer services, enterprise and wholesale fiber customers, backbone infrastructure, central offices, and related real estate.
Because of these changes, some customers may need to confirm whether their issue belongs with CenturyLink, Lumen, Quantum Fiber, or AT&T. If your account, bill, app, portal, or customer notice says CenturyLink, start with CenturyLink support. If your account says Quantum Fiber or AT&T, use the route shown in your current account notice.
Choose the Correct CenturyLink or Lumen Support Route
Residential CenturyLink Internet and Phone
For home internet, DSL, fiber, landline phone, modem, Wi-Fi, outage, repair, billing, or account issues, start with the CenturyLink Support Center, My CenturyLink app, account portal, chat, or phone route at 1-800-244-1111 when applicable.
Outages, Repairs and Technician Appointments
For internet outages, phone outages, slow speeds, no dial tone, modem problems, or technician appointment issues, use the CenturyLink outage checker, troubleshooter, app, or support center. Keep every repair ticket number and appointment confirmation.
Billing and Payment Complaints
For billing disputes, late fees, payment posting problems, promised credits, equipment charges, final bills, or payment arrangements, use the CenturyLink account portal or customer support route. Save bills, payment confirmations, chat transcripts, and support case numbers.
Downed, Exposed or Unburied Lines
If your complaint involves a low-hanging line, unburied cable, cut line, damaged pedestal, downed wire, or unsafe equipment, report it through CenturyLink support and document the location with photos from a safe distance. Do not touch damaged or low-hanging wires.
Small Business CenturyLink Accounts
For small business internet, voice, billing, repair, or account support, use the CenturyLink Business support route or business account portal. Business customers should document lost service time, affected phone numbers, repair tickets, and any customer impact.
Lumen Enterprise and Wholesale Accounts
For enterprise, wholesale, national services, Ethernet, optical, DWDM, managed services, security, portal, or activation support, use Lumen enterprise support. Lumen lists 1-877-453-8353 for several enterprise and wholesale support routes.
Corporate, Board and Investor Matters
For formal corporate correspondence, write to Lumen Technologies, Inc., 100 CenturyLink Drive, Monroe, LA 71203. For Board correspondence, Lumen lists Lumen Board of Directors, Post Office Box 5061, Monroe, LA 71211. Investor questions can be routed to in****************@***en.com.
What to Have Before Contacting CenturyLink Corporate Office
- Your CenturyLink, Lumen, Quantum Fiber, or business account number
- The service address tied to the account
- The best phone number and email address for follow-up
- Repair ticket numbers, outage reports, chat transcripts, or technician appointment confirmations
- Copies of bills, payment confirmations, late-fee notices, promised credits, or final bills
- Photos of downed wires, exposed lines, damaged equipment, or unburied cables, if relevant
- Dates and times of outages, technician no-shows, support calls, promised callbacks, or billing changes
- The exact resolution you want, such as repair completion, service credit, line burial, billing correction, cancellation confirmation, equipment return confirmation, or written response
How to Escalate a CenturyLink or Lumen Complaint
- Start with the correct support route. Residential customers should use CenturyLink support. Enterprise and wholesale customers should use Lumen support.
- Get a ticket number. Ask for a repair ticket, billing case number, appointment confirmation, or escalation reference.
- Document the full timeline. Save bills, photos, chat transcripts, emails, app screenshots, support records, and appointment details.
- Ask for escalation. If support does not resolve the issue, ask for supervisor review, repair escalation, billing escalation, or the Customer Advocacy Team when appropriate.
- Use corporate correspondence for unresolved matters. Send formal written complaints to Lumen Technologies, Inc., 100 CenturyLink Drive, Monroe, LA 71203.
- Use outside complaint routes when appropriate. Depending on the issue, consider your state public utility commission, FCC, state attorney general, local consumer protection office, card issuer, or business contract/legal route.
Common Reasons Customers Contact CenturyLink Corporate Office
- Internet outages, slow speeds, dropped service, or repeated modem problems
- Phone line outages, no dial tone, business phone failures, or landline repair delays
- Technician no-shows, delayed appointments, or repeated repair rescheduling
- Unburied, cut, exposed, low-hanging, or unsafe lines
- Billing disputes, late fees, missing payments, autopay problems, or promised credits not applied
- Service cancellation, final bill, equipment return, or collection disputes
- CenturyLink to Lumen, Quantum Fiber, or AT&T transition confusion
- Business internet, voice, Ethernet, wholesale, or Lumen enterprise service issues
- Difficulty reaching a live representative or getting a supervisor callback
- Formal corporate, investor, Board, regulatory, or legal correspondence
Outage, Technician and Repair Complaints
Many CenturyLink complaints involve repair timing, missed technician appointments, and long outages. If your internet or phone service is down, use the outage checker and troubleshooter first, then request a repair appointment if needed.
For escalation, keep a simple timeline showing when service stopped, when you contacted support, what ticket numbers were created, when a technician was scheduled, whether the technician arrived, and what repairs were promised. This is especially important for business phone lines, medical-alert lines, landlines used by older adults, or service interruptions affecting work.
Unburied Cable, Cut Line and Safety Complaints
If a temporary cable was left above ground, a neighbor cut the line, a buried cable was never completed, or a damaged wire is creating a safety or service issue, take photos from a safe distance and report the problem to CenturyLink support. Ask for a ticket number and a specific follow-up date.
Do not touch low-hanging, exposed, or damaged wires. If the condition creates an immediate danger, contact local emergency services, utility safety resources, or the proper local authority in addition to CenturyLink support.
Billing, Late Fees and Credit Complaints
Billing complaints should be documented carefully. If your issue involves a late fee after payment, missing credit, service outage credit, disputed modem charge, final bill, or payment made through a third-party location, keep the receipt, confirmation number, bill copy, and date of payment.
If support promises a credit or account correction, ask when it will appear and whether you will receive written confirmation. If the correction does not appear on the next bill, reference the original ticket number when escalating.
Lumen Enterprise and Business Service Complaints
Lumen enterprise and wholesale customers should use their assigned customer care manager, repair ticket process, service portal, or Lumen enterprise support route. Business and enterprise complaints may involve SLAs, outages, voice service, Ethernet, optical services, managed security, portal access, activation delays, or billing records.
For business-critical outages, document the service ID, circuit ID, ticket number, outage start time, affected locations, business impact, and any escalation contacts. Review your agreement for SLA, credit, and escalation procedures.
Unfamiliar CenturyLink or Lumen Charges
If you see an unfamiliar CenturyLink, Lumen, Quantum Fiber, phone, internet, modem, equipment, repair, or communications charge, review your account portal, recent bills, service changes, equipment returns, AutoPay settings, and payment history first.
For help researching confusing telecom billing descriptors or unfamiliar card charges, visit ChargeOnMyCard.com. If you believe a charge is unauthorized, contact CenturyLink or Lumen and your card issuer promptly.
Scams, Fake Support Numbers and Account Security
Be careful with search results, ads, calls, texts, emails, or pop-ups that claim to provide a special CenturyLink corporate complaint number, Lumen refund department, outage credit form, modem activation shortcut, or bill discount offer. Use official CenturyLink and Lumen websites whenever possible.
Never provide your account password, bank login, full card number, one-time passcode, Social Security number, remote computer access, or identity documents to a caller or message you cannot verify. For fake support numbers, refund scams, phishing texts, or suspicious payment requests, visit ThinkItsAScam.com.
CenturyLink and Lumen Reviews and Complaints
Current CorporateOfficeHeadquarters.com review themes for CenturyLink and Lumen include complaints about unresolved repair appointments, long waits for technicians, downed or unburied lines, billing disputes, late fees, missing credits after outages, business phone outages, and difficulty reaching support representatives who can resolve the problem.
These reviews are individual customer experiences and may not represent every CenturyLink, Lumen, business, residential, or enterprise customer. If you leave a review below, include whether your issue involved residential internet, landline phone, business phone, Lumen enterprise service, billing, repair, technician appointment, line burial, cancellation, or customer support.
About CenturyLink and Lumen Technologies
Lumen Technologies, Inc. is a communications and technology infrastructure company headquartered in Monroe, Louisiana. The company was formerly known as CenturyLink and changed its corporate name to Lumen Technologies in 2020.
CenturyLink remains a customer-facing brand for many residential and small business internet and voice services. Lumen focuses heavily on enterprise networking, secure connectivity, wholesale services, cloud connectivity, voice, managed services, and technology infrastructure.
CenturyLink Competitors and Related Corporate Office Pages
CenturyLink and Lumen compete with other telecom, internet, fiber, wireless, cable, business connectivity, and enterprise network providers. Related corporate office pages include Xfinity Corporate Office, Comcast Corporate Office, Spectrum Corporate Office, Cox Communications Corporate Office, AT&T Corporate Office, Verizon Corporate Office, T-Mobile Corporate Office, Mediacom Corporate Office, Frontier Communications Corporate Office, and Sparklight / Cable One Corporate Office.
Related CenturyLink and Lumen Resources
- Lumen Official Office Locations
- Lumen Customer Support
- CenturyLink Customer Support Center
- CenturyLink Contact and Chat Support
- About CenturyLink
- Lumen Investor Relations
- Lumen Governance and Board Contact
- CenturyLink Customer Service Numbers
- Xfinity Corporate Office
- Spectrum Corporate Office
- AT&T Corporate Office
- Verizon Corporate Office
- Help With Unfamiliar Telecom Charges
- Scam and Fake Support Number Warnings
- Homeaglow Corporate Office
- RingCentral Corporate
Frequently Asked Questions About CenturyLink Corporate Office
Where is CenturyLink corporate office?
CenturyLink’s corporate successor, Lumen Technologies, is headquartered at 100 CenturyLink Drive, Monroe, LA 71203. This is the main Lumen Technologies corporate headquarters address.
What is the CenturyLink corporate office phone number?
The Lumen Technologies corporate office phone number is 1-318-388-9000. For residential CenturyLink customer support, start with the CenturyLink Support Center, My CenturyLink app, chat, account portal, or 1-800-244-1111 when applicable.
Is CenturyLink now Lumen?
CenturyLink, Inc. rebranded as Lumen Technologies, Inc. in 2020. CenturyLink remains a customer-facing brand for many residential and small business services, while Lumen is the corporate company name.
Where is Lumen Technologies headquarters?
Lumen Technologies headquarters is located at 100 CenturyLink Drive, Monroe, Louisiana 71203.
How do I file a CenturyLink complaint?
Start with CenturyLink support and ask for a ticket or case number. If the issue is not resolved, document the timeline and send formal correspondence to Lumen Technologies, Inc., 100 CenturyLink Drive, Monroe, LA 71203.
How do I complain about a CenturyLink repair delay?
Use the CenturyLink outage checker, troubleshooter, app, or support center to create a repair ticket. Keep the ticket number, appointment date, technician notes, and any photos of damaged or unburied lines. Ask support for repair escalation if the appointment is missed or delayed.
What is the Lumen Customer Advocacy Team phone number?
Lumen lists a Customer Advocacy Team route at 1-318-388-9800 for customers who contacted customer service but require additional support.
Does AT&T own CenturyLink?
No. Lumen completed the sale of its Mass Markets fiber-to-the-home business in 11 states, including Quantum Fiber, to AT&T in 2026. Lumen retained copper-based consumer services and enterprise/wholesale fiber customers. Customers should check their current bill, account portal, and notices to determine whether their account is handled by CenturyLink, Lumen, Quantum Fiber, or AT&T.
Who should business customers contact?
Small business CenturyLink customers should use the CenturyLink Business support route or account portal. Lumen enterprise and wholesale customers should use their assigned customer care manager, Lumen portal, enterprise repair support, or 1-877-453-8353 when applicable.
Why Trust CorporateOfficeHeadquarters.com?
CorporateOfficeHeadquarters.com has published corporate office, headquarters, complaint, review, and escalation information for many years. This CenturyLink corporate office page is designed to help readers identify the correct Lumen Technologies headquarters address, phone number, CenturyLink support route, repair escalation path, and related telecom resources.
Because telecom contact details, support portals, brand ownership, fiber account transitions, phone numbers, outage procedures, and corporate structures can change, readers should confirm time-sensitive information directly with CenturyLink, Lumen, Quantum Fiber, AT&T, their account portal, or the appropriate agency before mailing documents or relying on a specific department route.
Page Update Note
This CenturyLink corporate office page was updated on June 28, 2026 to verify the Lumen Technologies headquarters address in Monroe, Louisiana, clarify the CenturyLink and Lumen brand relationship, add the 2026 AT&T consumer fiber transaction note, improve residential versus enterprise support routing, add repair and billing complaint guidance, and summarize current COH review themes.
Disclaimer
CorporateOfficeHeadquarters.com is not officially connected with CenturyLink, Lumen Technologies, Inc., Quantum Fiber, AT&T, any technician, contractor, call center, customer support representative, business account manager, or affiliate. This page is provided for informational purposes and to give readers a place to share general reviews, complaints, corrections, and feedback about their own experiences.
Share Your Experience
Have you contacted CenturyLink corporate office, Lumen Technologies headquarters, CenturyLink customer support, Lumen enterprise support, a technician, billing support, or the Customer Advocacy Team about a complaint? Share your general experience below to help other readers understand what worked, what did not, and which support route helped resolve the issue. Do not post private account numbers, full service addresses, payment details, passwords, Social Security numbers, or personal contact information in public comments.