Find a store Suddenlink Business Existing Customers Español Internet TV Mobile Home + Mobile Moving? Shop now Stay connected at home and on the go With Optimum Mobile, you’re connected on America’s largest, fastest and most reliable 5G network. And when you combine it with Suddenlink’s high speed Internet, you get a seamless connection at home and on the go. Optimum Mobile leverages T-Mobile 4G LTE and 5G networks. Largest based on comparison of T-Mobile, Verizon and AT&T 5G coverage areas. Fastest based on Opensignal 5G User Experience Report January 2021. Most reliable based on Umlaut 2021/04 5G Audit Report. 5G capable device required. 5G not available in all areas or on all plans. Get $400 in Visa® Prepaid Card when you sign up for Suddenlink Internet and add Optimum Mobile. Offer valid for new customers only. Add Internet/TV Details Pricing, terms and offers subject to change and discontinuance without notice. All trademarks and service marks are the property of their respective owners. All services not available in all areas. 1 Court Square West, Long Island City, NY 11101 © Copyright 2021 Suddenlink Communications, All Rights Reserved About Altice USA Leadership News Careers Investor Relations Network Information Altice Connects Articles Services Moving? TV Lineup Suddenlink2GO Pay Bill My Account Email Pricing & Packages Products Altice One Suddenlink Stream Internet TV Optimum Mobile Home + Mobile Home Phone Support Contact us Online Help Terms & Policies Privacy Law Enforcement Covid-19 Response Accessibility Español Suddenlink Business Sitemap Store Locator facebook twitter linkedin youtube instagram FIND WEB EXCLUSIVE OFFERS Free installation specials when you order online. Street address * Apt City State State AL AK AZ AR CA CO CT DE DC FL GA HI ID IL IN IA KS KY LA ME MD MA MI MN MS MO MT NE NV NH NJ NM NY NC ND OH OK OR PA RA SC SD TN TX UT VT VA WA WV WI WY State ZIP *