| Company | Now Known As | Street Address | Customer Contact No. |
|---|---|---|---|
| Cablevision Lightpath, LLC | 1111 Stewart Ave. Bethpage, NY 11714-3533 | 866-611-3434 | |
| Cablevision of Brookhaven, Inc. | 1 Court Square West 49th Floor Long Island City, NY 11101 | 631-393-0637 | |
| Cablevision of Ossining, L.P. | 1 Court Square West 49th Floor Long Island City, NY 11101 | 718-860-3514 | |
| Cablevision of Rockland/Ramapo, LLC | 1 Court Square West 49th Floor Long Island City, NY 11101 | 877-694-9474 | |
| Cablevision of Southern Westchester, Inc. | 1 Court Square West 49th Floor Long Island City, NY 11101 | 718-860-3514 | |
| Cablevision of Wappingers Falls, Inc. | 1 Court Square West 49th Floor Long Island City, NY 11101 | 877-694-9474 | |
| Cablevision of Warwick, LLC | 1 Court Square West 49th Floor Long Island City, NY 11101 | 877-694-9474 | |
| Cablevision Systems Dutchess Corporation | 1 Court Square West 49th Floor Long Island City, NY 11101 | 877-694-9474 | |
| Cablevision Systems East Hampton Corporation | 1 Court Square West 49th Floor Long Island City, NY 11101 | 631-393-0637 | |
| Cablevision Systems Great Neck Corporation | 1 Court Square West 49th Floor Long Island City, NY 11101 | 631-393-0637 | |
| Cablevision Systems Huntington Corporation | 1 Court Square West 49th Floor Long Island City, NY 11101 | 631-393-0637 | |
| Cablevision Systems Islip Corporation | 1 Court Square West 49th Floor Long Island City, NY 11101 | 631-393-0637 | |
| Cablevision Systems Long Island Corporation | 1 Court Square West 49th Floor Long Island City, NY 11101 | 631-393-0637 | |
| Cablevision Systems New York City Corporation | 1 Court Square West 49th Floor Long Island City, NY 11101 | 888-276-5255 | |
| Cablevision Systems Suffolk Corporation | 1 Court Square West 49th Floor Long Island City, NY 11101 | 631-393-0637 | |
| Cablevision Systems Westchester Corporation | 1 Court Square West 49th Floor Long Island City, NY 11101 | 718-860-3514 | |
| Cassadaga Telephone Corporation | 40 Temple St PO BOX 209 Fredonia, NY 14063 | 716-673-3000 | |
| Castle Cable TV, Inc. | PO Box 339 26 South Main Street Hammond, NY 13646 | 315-482-9975 | |
| Catskill Mountain Cablevision, Inc. | 200 Jefferson Hts PO Box 399 Catskill, NY 12414 | 518-943-6600 | |
| Catskills Communications, Inc. | PO Box 260 50 Swart Street Margaretville, NY 12455 | 845-586-1500 | |
| Catskills Communications, Inc. dba MTC Long Distance | PO Box 260 50 Swart Street Margaretville, NY 12455 | 845-586-1500 | |
| Cause Based Commerce Incorporated d/b/a The Sienna Group | 237 Beaver Road Suite A Walton, KY 41094 | 877-474-3662 | |
| CBTS Technology Solutions LLC | 25 Merchant Street Cincinnati, OH 45246 | 888-783-2506 | |
| Central Telecom Long Distance, Inc. | 102 South Tejon Street Suite 1100 Colorado Springs, CO 80903 | 888-988-9818 | |
| CenturyLink Communications, LLC d/b/a Lumen Technologies Group | 100 CenturyLink Dr Monroe, LA 71203 | 800-244-1111 | |
| Certain Communications Corporation | 4155 East Jewell Avenue Suite 200 Denver, CO 80222 | ||
| Champlain Telephone Company | PO Box 782 11118 Rte 9 Champlain, NY 12919 | 518-298-2411 | |
| Charter Fiberlink NY - CCO, LLC | 12405 Powerscourt Drive St. Louis, MO 63131 | 833-694-9259 | |
| Chazy and Westport Telephone Corporation | 2 Champlain Ave. PO Box 249 Westport, NY 12993 | 518-962-8211 | |
| Choice One Communications of New York, Inc. | 4005 North Rodney Parham Road Little Rock, AR 72212 | 855-352-2731 | |
| Cincinnati Bell Extended Territories LLC d/b/a altafiber connected services | 221 E. Fourth Street 103-1000 Cincinnati, OH 45202 | 888-246-2355 | |
| Citizens Cablevision, Inc. | PO BOX 217 26 South Main Street Hammond, NY 13646 | 315-324-5911 | |
| Citizens Long Distance, Inc. | PO BOX 217 26 South Main Street Hammond, NY 13646 | 315-324-5911 | |
| Citizens Telecommunications Company of New York, Inc. d/b/a Frontier Communications of New York | 1919 McKinney Ave. Dallas, TX 75201 | 800-921-8101 | |
| Citizens Telephone Company of Hammond New York, Inc. | PO BOX 217 26 South Main Street Hammond, NY 13646 | 315-324-5911 | |
| Clarity Fiber Solutions, LLC | 2901 Society Hill Road Opelika, AL 36804 | 850-527-1180 | |
| Clear Rate Communications, LLC | 2600 West Big Beaver Road Suite 450 Troy, MI 48084 | 248-556-9525 | |
| Cogeco US Enterprise, LLC d/b/a Breezeline | 3 Batterymarch Park Suite 200 Quincy, MA 02169 | 617-786-8800 | |
| Cogeco US (Penn), LLC | 3 Batterymarch Park Suite 200 Quincy, MA 02169 | 888-536-9600 | |
| Comcast of New York, LLC | Comcast Center 1701 John F. Kennedy Blvd Philadelphia, PA 19103 | 800-934-6489 | |
| Comcast Phone of New York, LLC D/B/A Comcast Digital Phone | Comcast Center 1701 John F. Kennedy Blvd Philadelphia, PA 19103 | 800-934-6489 | |
| Community Cable Corporation d/b/a North Penn Video | 34 S. Main Street Prattsburgh, NY 14873 | 800-338-3300 | |
| Consolidated Communications Enterprise Services, LLC | 2116 S 17th Street Mattoon, IL 61938 | 844-968-7224 | |
| Consolidated Communications of New York Company, LLC | 2116 S 17th Street Mattoon, IL 61938 | 844-968-7224 | |
| Constructure Technologies, LLC | 425 Broadhollow Rd STE 425 Melville, NY 11747-4701 | 631-396-7777 | |
| Consumer Telcom, Inc. | 701 N. Green Valley Parkway Suite 200 Henderson, NV 89014 | 800-872-3811 | |
| Conversent Communications of New York, LLC | 4005 North Rodney Parham Road Little Rock, AR 72212 | 855-352-2731 | |
| Cooperative Communications, Inc. d/b/a CPV Communications | 412 Washington Ave Belleville, NJ 07109 | 973-759-8100 | |
| County of Madison | 138 N. Court Street PO Box 635 PO Box 635 Wampsville, NY 13163 | 315-366-2498 | |
| Crexendo Business Solutions, Inc. | 1225 W Washington St. Suite 213 Tempe, AZ 85288 | 866-621-6111 | |
| Crosslake Fiber USA LP | c/o Tiger Infrastructure Partners 717 Fifth Ave Floor 12A New York, NY 10022 | 289-715-2520 | |
| Crown Castle Fiber LLC | 2000 Corporate Dr, Canonsburg, PA 15317 | 877-486-9377 | |
| Crown Castle NG East LLC | 2000 Corporate Dr, Canonsburg, PA 15317 | 877-486-9377 | |
| Crown Point Network Technologies, Inc. d/b/a Bridge Point Communication | PO Box 430 Crown Point, NY 12928-0430 | 518-558-1558 | |
| Crown Point Telephone Corporation | PO Box 275 Crown Point, NY 12928-0275 | 518-597-3300 | |
| CSC Acquisition-MA, Inc. | 1 Court Square West 49th Floor Long Island City, NY 11101 | 877-694-9474 | |
| CSC Acquisition-NY, Inc. | 1 Court Square West 49th Floor Long Island City, NY 11101 | 877-694-9474 | |
| CTC Communications Corp. | 4005 North Rodney Parham Road Little Rock, AR 72212 | 855-352-2731 | |
| CTC LD, Inc. | 11118 Rte 9 Champlain, NY 12919 | 518-298-2411 | |