Following is a list of leading tech giant firms in the USA along with their corporate or customer service phone numbers. These are usually for consumer support and corporate enquires in some cases. Always verify through the official websites for the latest contact information.
Top Tech Companies in the USA and Their Phone Numbers
TTY (for hearing impaired): 1-800-892-5234
Website: https://support.microsoft.com
Website: https://support.apple.com
Google Support: Most Google products do not have direct phone support, but you can contact Google Workspace or Ads:
Google Ads Support: 1-866-246-6453
Website: https://support.google.com
Facebook / Meta Platforms Inc.
No direct consumer phone support
Corporate Office (Menlo Park, CA): (650) 543-4800
Website: https://www.meta.com/help
Amazon
1-888-280-4331 (available 24/7)
Website: https://www.amazon.com/help
Customer Support: 1-800-426-4968
TTY Support: 1-800-426-3383
Website: https://www.ibm.com/contact/us/en/
General Support: 1-800-633-0738
Website: https://www.oracle.com/support/contact.html
Adobe Systems
1-800-833-6687
Website: https://helpx.adobe.com
Intel Corporation
1-916-377-7000
Website: https://www.intel.com
Dell Technologies
1-800-624-9897
Small Business Support: 1-800-456-3355
Website: https://www.dell.com/support
HP (Hewlett-Packard)
1-800-474-6836 (1-800-HP-INVENT)
Website: https://support.hp.com
Cisco Systems
1-800-553-2447
Website: https://www.cisco.com
Tesla, Inc. Customer Service (US): 1-888-518-3752
Website: https://www.tesla.com/contact
Corporate Headquarters (No support line): (415) 222-9670
Website: https://help.twitter.com
Netflix
1-866-579-7172
Website: https://help.netflix.com
Customer Support: 1-866-218-3259
Website: https://www.optimum.com
Coverage: New York Tri-State area, Texas, and parts of the South
Customer Service (Residential): 1-800-288-2020
Fiber Support: 1-844-593-1542
Website: https://www.att.com/internet
Coverage: Mostly in the South, Midwest, and California
Customer Service: 1-888-536-9600
Website: https://www.breezeline.com
Coverage: East Coast and parts of the Midwest
Customer Service: 1-833-267-6094
Website: https://www.spectrum.com
Coverage: Available in 40+ states including Texas, Florida, and New York
Customer Service: 1-800-XFINITY (1-800-934-6489)
Website: https://www.xfinity.com
Coverage: Widely available across 40+ states
Customer Support (Residential): 1-844-YOUR-CCI (1-844-968-7224)
Business Support: 1-866-989-2255
Website: https://www.consolidated.com
Coverage: Northern New England (formerly FairPoint), Midwest, Texas, California, and other areas.
Customer & Technical Support (24/7): 1-877-875-4311 (U.S. & Canada) +1-202-295-4200 (International)
Website: https://www.cogentco.com
Note: Cogent is primarily a business internet provider, not typically used by residential customers.
Customer Support: 1-800-234-3993
Website: https://www.cox.com
Coverage: Mostly in Arizona, Nevada, California, and parts of the South
Customer Service: 1-866-642-0444
Website: https://www.centurylink.com
Coverage: Widely available in rural and suburban areas across the West and Midwest
Customer Service: 1-800-921-8101
Website: https://frontier.com
Coverage: Available in California, Texas, Florida, and other states
Customer Support: 1-866-347-3292
Website: https://www.hughesnet.com
Coverage: Nationwide, especially in rural areas
Customer Support: 1-855-633-4226
Website: https://www.mediacomcable.com
Coverage: Midwest and Southeast U.S.
Customer Support: No direct phone line (support via app and online ticket only)
Website: https://www.starlink.com
Coverage: Expanding across the U.S., especially for rural and underserved regions
Residential Customer Service: 1-866-571-6662
Business Support: 1-888-287-8156
Website: https://www.tds.net
Coverage: Rural and suburban areas in 30+ states, including Wisconsin, New Hampshire, and Tennessee.
Customer Support: 1-844-839-5057
Website: https://www.t-mobile.com/home-internet
Coverage: Growing availability in urban and suburban areas
Customer Support: 1-800-VERIZON (1-800-837-4966)
Website: https://www.verizon.com/home/fios
Coverage: Mainly in the Northeast and Mid-Atlantic regions
Customer Support: 1-855-463-9333
Website: https://www.viasat.com
Coverage: Available nationwide, especially in remote areas
Residential Customer Service: 1-800-347-1991
EarthLink Internet Support: 1-888-EARTHLINK (1-888-327-8454)
Business Support: 1-800-600-5050
Website: https://www.windstream.com
EarthLink: https://www.earthlink.net
Coverage: Rural and suburban U.S., especially in the Southeast, Midwest, and Texas.
Customer Support: +1 (888) 440-0123
Website: https://www.123.net
Phone: Not publicly listed contact via ALLO Fiber Contact Page
Website: https://www.allocommunications.com
Phone: 1-800-427-8686 (1-800-4-ASTOUND)
Website: https://www.astound.com
Phone: +1 (305) 477-2824
Website: https://aptech.us
Customer Service: 1-877-277-5711
Technical Support: 1-877-486-4666
Website: https://www.armstrongonewire.com
Phone: 206-395-7222
Website: https://atlasnet.com
Phone: 540-389-7924
Website: https://www.b2xonline.com
Phone: 563-879-3203
Website: https://bernardtelephone.com
Phone: 1-888-745-2888
Website: https://www.vastbroadband.com
Customer Service: 1-888-246-2355
Technical Support: 513-566-4101
Website: https://www.altafiber.com
Phone: 563-557-8442
Website: https://www.comelecinternet.com
Contact: Reach out via ComTec Systems Contact Page
Website: https://comtecsystems.net
Phone: 563-285-9611
Website: https://centralbb.com
Business Support: +1 (888) 781-9378
Website: https://www.digitalwest.com
Customer Support: +1 (844) 733-4700
Website: https://everstream.net
Phone: 509-436-1716
Website: https://fiopin.com
Support: Contact via Google Fiber Support Page
Website: https://fiber.google.com
Phone: 1-866-748-8066
Website: https://www.gigabitnow.com
Rochester: 585-351-6600
Albany: 518-412-3900
Buffalo: 716-919-4300
Binghamton: 607-775-9206
Website: https://www.greenlightnetworks.com
General & Tech Support: +1 (510) 580-4100
Website: https://www.he.net
General & Tech Support: Toll Free: (844) 846-6378
Website: https://www.honest.net/support
General & Tech Support: Toll Free: 800-355-5668
Website: https://hotwirecommunications.com/contact-us
Phone: +1 (408) 260-5757
Website: https://www.it7.net
General & Tech Support: Toll Free: 847-803-9030
Website: https://www.interlync.com/
General & Tech Support: Toll Free: 1(319) 243-1919
Website: https://www.imon.net/support/contact-us
Legacy Support: +1 (877) 611-6342
Website: https://www.fusionconnect.com
Midco Communications Customer Service
Monkeybrains.net Customer Service
MV Link Customer Service
NetBlazr Customer Service
Phoenix Internet Customer Service
Planet Networks Customer Service
RCN Corporation (acquired by TPG) Customer Service
Rise Broadband Customer Service
Sail Internet Customer Service
Shentel Customer Service
Sonic.net Customer Service
WirelessBuy Customer Service
Customer Care: +1 (833) 467-3472
Website: https://www.segra.com
Phone: +1 (866) 759-7483
Website: https://www.skyriver.com
Customer Support: +1 (212) 232-2020
Toll-Free: +1 (866) 237-6970
Website: https://stealth.net
Sprint (including Clearwire) Customer Service
Starry Internet Customer Service
Surf Internet Customer Service
Customer Support: +1 (866) 848-5848
Website: https://towerstream.com
Ting Internet Customer Service
United Communications (TN) Customer Service
USA Communications Customer Service
PenTeleData Customer Service
Cable One Customer Service
WideOpenWest (WOW!) Customer Service
Viser Customer Service
Ziply Fiber Customer Service
Zentro Internet Customer Service