Spectrum is a brand, not a company — the corporate headquarters behind it belongs to Charter Communications, Inc., at 400 Washington Blvd., Stamford, CT 06902. That distinction matters more than ever: in August 2026, Charter completed its merger with Cox Communications, creating the largest cable and broadband provider in the country, still run from the same Stamford campus. Below you will find the current Spectrum corporate office address, the verified 24/7 customer service numbers for internet, TV, and mobile, and the escalation steps that actually work when a complaint stalls.
| Headquarters | Charter Communications, Inc., 400 Washington Blvd., Stamford, CT 06902, United States |
| Corporate office | Same address — an executive campus, not a customer-service location |
| Parent company | Charter Communications, Inc. (NASDAQ: CHTR); merging its name to Cox Communications within a year, still operating as Spectrum |
| Customer support | 833-949-0036 (24/7, account and billing for all services) |
| Spectrum Internet support | 888-369-2408 (24/7) |
| Spectrum Mobile support | 866-782-2681 (24/7) |
Spectrum Headquarters Location and Contact Information
The Spectrum headquarters is officially the headquarters of Charter Communications, Inc., the company that sells internet, TV, mobile, and home phone service under the Spectrum name. Charter’s corporate campus sits at 400 Washington Blvd., Stamford, CT 06902, in the city’s Harbor Point district next to the Stamford Transportation Center. Opened in 2022, the two-building, 900,000-square-foot campus houses around 1,700 corporate employees and carries both the Charter and Spectrum names on its glass facades.
One recent change is worth knowing: Charter completed its merger with Cox Communications on August 20, 2026. The combined company will adopt the Cox Communications name at the parent level within a year, but it will keep operating as Spectrum in all markets — and it remains headquartered in Stamford, with a significant second campus in Atlanta. Keep in mind the corporate office is an executive location, not a walk-in service center: you cannot pay a bill, return equipment, or get technical help there. For everyday service needs, use the phone numbers below or a local Spectrum store.
Phone Contacts
Spectrum runs separate lines for its main services, and calling the right one saves a transfer or two. These numbers come from Spectrum’s official contact page and mobile support page:
- Customer support (account & billing, all services): 833-949-0036 — 24/7
- Spectrum Internet customer service: 888-369-2408 — 24/7
- New service orders (internet, TV, mobile, voice): 855-860-9068 — Monday–Sunday, 7AM–2AM ET
- Spectrum Mobile support: 866-782-2681 — 24/7
- Add or upgrade Spectrum Mobile service: 866-991-6500 — Monday–Sunday, 7AM–11PM ET
Customer Service and Support Channels
Phone is not the only way in. The My Spectrum App handles most routine tasks without a hold queue: paying bills, checking for outages, rebooting and troubleshooting equipment, and managing home WiFi. Signed-in customers can also start a live chat on spectrum.com. Spectrum makes a point of its support model — the company says its customer service team is 100% U.S.-based and available around the clock, and its published Customer Commitments include same-day technician dispatch for problems reported before 5 PM and automatic credits for outages longer than two hours.
On social media, the support team answers public questions through the verified @GetSpectrum accounts on X and Instagram and at facebook.com/Spectrum, though they will move you to a private channel before discussing account details. If you prefer face-to-face help, Spectrum operates retail stores across its footprint where you can swap equipment, pay a bill, or shop mobile plans — book ahead through the store locator on spectrum.com. One practical tip: the billing and technical lines run 24/7, so calling outside business hours, or on a weekday morning, usually means a shorter wait.
Company Background
Charter Communications was founded in 1993 in St. Louis, Missouri, by three former cable executives — Barry Babcock, Jerald Kent, and Howard Wood — and spent its first two decades rolling up regional cable systems. The modern company took shape in 2016, when Charter closed its transactions with Time Warner Cable and Bright House Networks and united all three companies’ services under the Spectrum brand. The corporate headquarters moved from St. Louis to Stamford, Connecticut under then-CEO Tom Rutledge, and the current purpose-built campus at 400 Washington Blvd. opened in 2022.
The biggest milestone yet came on August 20, 2026, when Charter completed its $34.5 billion combination with Cox Communications and its concurrent acquisition of Liberty Broadband. The combined company serves roughly 37 million customers across 45 states, employs more than 100,000 people, and reported over $67 billion in 2025 revenue. Charter trades on NASDAQ under the ticker CHTR, and within a year of the Cox closing the parent company plans to take the Cox Communications name — while customers will keep seeing the Spectrum brand on their bills, trucks, and stores.
Leadership
Chris Winfrey has served as President and Chief Executive Officer since the end of 2022, after a decade as Charter’s chief financial and operating officer. Following the Cox merger, Alex Taylor — chairman and CEO of Cox Enterprises — became Chairman of Charter’s board. Like most large U.S. corporations, Charter Communications, Inc. is incorporated in Delaware — our Delaware business search guide covers how to look up corporate registrations there, and our Connecticut business search guide shows how to find the entities Charter registers in its home state.
Key Office Locations
Stamford is the corporate home, but most of Spectrum’s 100,000-plus employees work in field operations, call centers, and regional offices across its 45-state footprint. Atlanta, Georgia became the company’s second-largest corporate hub after the Cox merger — Charter has said it will keep a significant presence on Cox’s Atlanta campus. St. Louis, Missouri, the company’s founding city, remains a major operations center, and Spectrum runs large U.S.-based call centers across the country, including a Spanish-language center in McAllen, Texas. The company’s Spectrum News division operates more than 35 local news networks across its markets.
Dealing with Customer Complaints
Start with the standard channels: call 833-949-0036, and keep a record of the date, the ticket number, and the representative’s name. Spectrum’s own Customer Commitments — outage credits, same-day dispatch — give front-line agents real tools to fix problems, so many disputes end here. If they do not, put the complaint in writing to the corporate office: Charter Communications, Inc., 400 Washington Blvd., Stamford, CT 06902. Written complaints addressed to headquarters are logged and routed to corporate escalation teams that have more authority than a call-center queue.
Because Spectrum is a regulated communications provider, you also have a step most companies’ customers do not: file a free complaint with the Federal Communications Commission at consumercomplaints.fcc.gov. The FCC forwards billing and service complaints to the provider, which is required to respond to you in writing within 30 days — a route with a strong record of unsticking stalled disputes. Your state’s public utility commission can also take cable and phone complaints; in Connecticut, for example, that is the Public Utilities Regulatory Authority. For unresolved money disputes, send Spectrum a written notice of dispute first — its terms of service require it before arbitration — and treat small-claims court as the last resort.
Summary
The Spectrum corporate office is Charter Communications’ headquarters at 400 Washington Blvd., Stamford, CT 06902 — soon to carry the Cox Communications corporate name, but the same campus and the same Spectrum brand. For nearly everything a customer needs, skip the corporate office: 833-949-0036 reaches 24/7 support for every service, 866-782-2681 handles Spectrum Mobile, and the FCC complaint portal is there when escalation fails. Looking for another company’s corporate contacts? Browse our other headquarters guides.
Frequently Asked Questions
Where is the Spectrum headquarters located?
Spectrum’s parent company, Charter Communications, Inc., is headquartered at 400 Washington Blvd., Stamford, CT 06902, United States, in the city’s Harbor Point district.
Are Spectrum and Charter Communications the same company?
Yes. Spectrum is the consumer brand under which Charter Communications sells internet, TV, mobile, and voice service. Charter is the legal company; Spectrum is the name on your bill.
Who owns Spectrum now?
Spectrum is owned by Charter Communications, Inc. (NASDAQ: CHTR), a public company. After the August 2026 merger with Cox, Cox Enterprises owns roughly 26% of the combined company, which plans to rename its parent Cox Communications while continuing to operate as Spectrum.
What is Spectrum’s 24/7 customer service number?
Call 833-949-0036 any time for account and billing help with all Spectrum services. Internet support is at 888-369-2408, and Spectrum Mobile support is at 866-782-2681 — both also 24/7.
Who is the CEO of Spectrum (Charter Communications)?
Chris Winfrey is President and CEO of Charter Communications, the company behind Spectrum. He has led the company since late 2022.
How do I file a complaint against Spectrum?
Call 833-949-0036 first, then write to the corporate office at 400 Washington Blvd., Stamford, CT 06902 if needed. If the company still does not resolve it, file a free complaint with the FCC at consumercomplaints.fcc.gov — Spectrum must respond in writing within 30 days.