| 8×8: 1-866-879-8647 |
| Adams Cable: 1-888-222-0077 |
| Alaska Communications: 1-800-808-8083 |
| Altice USA (Optimum): 1-866-200-7273 |
| Armstrong Cable Services: 1-877-277-5711 |
| Armstrong Cable Services: 1-877-486-4666 |
| Armstrong: 1-877-486-4666 |
| Arvig: 1-888-992-7844 |
| AT&T Wireless: 1-800-331-0500 |
| AT&T: 1-800-288-2020 |
| Atlantic Broadband: 1-888-536-9600 |
| Atlantic Tele-Network (ATN): 1-978-619-1300 |
| Avaya: 1-866-GO-AVAYA (1-866-462-8292) |
| BEK Communications: 1-888-475-2361 |
| BendBroadband: 1-541-803-8090 |
| Blue Ridge Communications: 1-800-222-5377 |
| Bristol Tennessee Essential Services: 1-423-968-1526 |
| Buckeye Broadband: 1-419-724-9800 |
| C Spire: 1-855-438-1009 |
| C Spire: Residential Customers: 1-855-438-1009, Business Customers: 1-855-277-4732 |
| Cable ONE (now Sparklight): 1-877-692-2253 |
| CableAmerica: 1-800-313-7441 |
| CableAmerica: 1-800-497-2151 |
| Cablevision (now Optimum by Altice): 1-866-200-7273 |
| Cablevision of Marion County (Brighthouse): 1-833-697-7328 |
| CenturyLink: 1-877-837-5738 (Now Lumen Technologies) |
| Chariton Valley: 1-660-395-9000 |
| Cincinnati Bell: 1-513-565-2210 |
| Cincinnati Bell: 1-513-566-4101 |
| Cincinnati Bell: 1-888-246-2355 |
| Cisco: 1-800-553-6387 |
| Click! Network: 1-253-502-8900 |
| Cogent Communications: 1-877-726-4368 |
| Comcast (Xfinity): 1-800-XFINITY (1-800-934-6489) |
| Consolidated Communications: Residential: 1-844-968-7224, Business: 1-844-968-7224 |
| Cox Communications: 1-800-234-3993 |
| DirecTV: 1-800-531-5000 |
| EarthLink: 1-888-327-8454 |
| EATEL: 1-800-621-4211 |
| Equinix: 1-800-322-9280 |
| FairPoint Communications (now Consolidated Communications): 1-866-984-2001 |
| Five9: 1-800-553-8159 |
| Frontier Communications: 1-800-921-8101 |
| Fusion Connect: 1-888-301-1721 |
| General Communication Inc. (GCI): 1-800-800-4800 |
| Golden West Telecommunications: 1-855-888-7777 |
| Grande Communications: 1-866-247-2633 |
| Granite Telecommunications: 1-866-847-5500 |
| GTT Communications: 1-703-442-5500 |
| Hargray Communications: 1-877-427-4729 |
| Hargray: 1-877-427-4729 |
| Hawaiian Telcom: Residential: 1-877-482-2211, Business: 1-877-482-2212 |
| Hotwire Communications: 1-800-355-5668 |
| ImOn Communications: 1-319-298-6484 |
| Integra Telecom (now Allstream): 1-866-468-3472 |
| Liberty Cablevision of Puerto Rico: 1-787-355-3535 |
| Long Lines Broadband: 1-712-271-4000 |
| Lumen (formerly CenturyLink): 1-866-642-0444 |
| Masergy: 1-866-588-5885 |
| MCTV: 1-330-833-4134 |
| Mediacom: 1-855-633-4226 |
| MetroCast (now Atlantic Broadband): 1-888-536-9600 |
| MetroNet: 1-877-386-3876 |
| MetTel: 1-877-963-8663 |
| Midco (Midcontinent Communications): 1-800-888-1300 |
| Nelson Cable, Inc.: 1-434-263-4805 |
| Nemont: 1-800-636-6680 |
| NetCarrier: 1-888-575-4754 |
| NewWave Communications (part of Sparklight): 1-888-863-9928 |
| NewWave Communications: 1-888-863-9928 |
| Nex-Tech: 1-877-625-7872 |
| Nextiva: 1-800-799-0600 |
| Nitel: 1-888-450-2100 |
| NKTelco: 1-888-753-8066 |
| North State Communications: 1-336-886-3600 |
| Northland Communications: 1-888-667-8452 |
| Pioneer Communications: 1-800-308-7536 |
| Pioneer Telephone Cooperative: 1-888-782-2667 |
| Rackspace Technology: 1-800-961-2888 |
| RCN Corporation: 1-800-746-4726 |
| RingCentral: 1-800-574-5290 |
| Service Electric Cable TV: 1-800-232-9100 |
| Service Electric Cablevision: 1-877-955-7328 |
| Shentel (Shenandoah Telecommunications Company): 1-800-743-6835 |
| Shentel: 1-800-743-6835 |
| Sjoberg’s Cable TV: 1-218-681-2181 |
| Sonic: 1-888-766-4233 |
| Sparklight (formerly Cable One): 1-877-692-2253 |
| Spectrum (Charter Communications): 1-833-267-6094 |
| SRT Communications: 1-800-737-9130 |
| Suddenlink Communications (now part of Altice USA): 1-877-794-2724 |
| T-Mobile: 1-800-T-MOBILE (1-800-866-2453) |
| TDS Telecom: 1-866-571-6662 |
| TDS Telecom: Residential: 1-888-225-5837, Business: 1-866-571-6662 |
| Troy Cablevision: 1-334-770-0050 |
| Troy Cablevision: 1-334-770-0247 |
| US Cable Group: 1-800-241-9746 |
| Vast Broadband: 1-888-745-2888 |
| Verizon Wireless: 1-800-922-0204 |
| Verizon: 1-800-922-0204 |
| Verve: 888.590.4888 |
| Viasat: 1-844-605-2426 |
| Vonage: 1-732-944-0000 |
| Vyve Broadband: 1-855-367-8983 |
| Wave Broadband: 1-866-928-3123 |
| Waverly Utilities: 1-319-559-2000 |
| Whidbey Telecom: 1-360-321-1122 |
| Windstream: Residential customers: 1-800-347-1991, Business customers: 1-800-600-5050 |
| WOW! Internet, Cable & Phone: 1-866-496-9669 |
| Zayo Group: 1-866-364-6033 |
| Ziply Fiber: 1-866-699-4759 |
| Zoom: 1-888-799-9666 |