Frontier Communications Corporation
All OCNs operating under this holding company.
| OCN | Company | HQ | Type | Total | Recent | Website |
|---|---|---|---|---|---|---|
| 9147 | Southern New England Telephone Company dba Frontier Communications of Connecticut | Dallas, TX | Regional Bell Operating Company | 2,723 | — | frontier.com |
| 2319 | Frontier California Inc | Irving, TX | Regional Bell Operating Company | 2,618 | — | frontier.com |
| 4344 | Frontier Southwest Incorporated dba Frontier Communications of Texas | Irving, TX | Regional Bell Operating Company | 2,210 | 2 | frontier.com |
| 0328 | Frontier Florida LLC dba Frontier Communications of Florida | Irving, TX | Regional Bell Operating Company | 1,999 | — | frontier.com |
| 9214 | Frontier West Virginia Inc | New York, NY | Regional Bell Operating Company | 1,044 | — | frontier.com |
| 0096 | Citizens Telecommunications Company of New York Inc dba Frontier Communicatons of New York | Rochester, NY | Incumbent Local Exchange Carrier | 878 | — | frontier.com |
| 4324 | Ziply Fiber Northwest LLC dba Ziply Fiber | Rochester, NY | Incumbent Local Exchange Carrier | 783 | — | ziply.com |
| 0121 | Frontier Telephone of Rochester Inc | Rochester, NY | Incumbent Local Exchange Carrier | 638 | — | frontier.com |
| 1123 | Citizens Telecommunications Company of Minnesota LLC dba Frontier Citizens Communications of MN | Rochester, NY | Incumbent Local Exchange Carrier | 570 | — | frontier.com |
| 4420 | Frontier California Inc | Irving, TX | Regional Bell Operating Company | 530 | — | frontier.com |
| 1183 | Citizens Telecommunications Company of Illinois dba Frontier Citizens Communications of Illinois | Rochester, NY | Incumbent Local Exchange Carrier | 517 | — | frontier.com |
| 4323 | Ziply Fiber Northwest LLC dba Ziply Fiber | Rochester, NY | Incumbent Local Exchange Carrier | 488 | — | ziply.com |
| 0161 | Commonwealth Telephone Company LLC | Dallas, PA | Incumbent Local Exchange Carrier | 482 | — | ftr.com |
| 4335 | Frontier Communications of the Carolinas Inc - SC | Rochester, NY | Incumbent Local Exchange Carrier | 354 | — | frontier.com |
| 2154 | Frontier Southwest Incorporated dba Frontier Communications of Texas | Irving, TX | Regional Bell Operating Company | 341 | — | frontier.com |
| 7513 | CTSI Inc - PA | Dallas, PA | Competitive Local Exchange Carrier | 334 | — | frontier.com |
| 1367 | Frontier Communications of Minnesota Inc | Rochester, NY | Incumbent Local Exchange Carrier | 302 | — | frontier.com |
| 4334 | Frontier Communications of the Carolinas Inc - NC | Rochester, NY | Incumbent Local Exchange Carrier | 285 | — | frontier.com |
| 0270 | Citizens Telecommunications Company of West Virginia dba Frontier Communications of West Virginia | Rochester, NY | Incumbent Local Exchange Carrier | 237 | — | frontier.com |
| 2308 | Citizens Telecommunications Company of California Inc dba Frontier Communications of California | Rochester, NY | Incumbent Local Exchange Carrier | 234 | — | frontier.com |
| 1128 | Citizens Telecommuncations of Nebraska LLC dba Frontier Communications of Nebraska | Rochester, NY | Incumbent Local Exchange Carrier | 219 | — | frontier.com |
| 4423 | Ziply Fiber Northwest LLC dba Ziply Fiber | Rochester, NY | Incumbent Local Exchange Carrier | 217 | — | ziply.com |
| 0509 | Frontier Communications of the Carolinas Inc - NC | Rochester, NY | Incumbent Local Exchange Carrier | 196 | — | frontier.com |
| 4321 | Ziply Fiber Northwest LLC dba Ziply Fiber | Rochester, NY | Incumbent Local Exchange Carrier | 166 | — | ziply.com |
| 1127 | Frontier Communications of Iowa Inc | Rochester, NY | Incumbent Local Exchange Carrier | 165 | — | frontier.com |
| 0681 | Frontier Midstates Inc - MI | Rochester, NY | Incumbent Local Exchange Carrier | 159 | — | frontier.com |
| 1000 | Frontier Communications of the Carolinas Inc - IL | Rochester, NY | Incumbent Local Exchange Carrier | 140 | — | frontier.com |
| 4427 | Ziply Fiber Idaho LLC dba Ziply Fiber | Rochester, NY | Incumbent Local Exchange Carrier | 113 | — | ziply.com |
| 4449 | Navajo Communications Company Inc dba Frontier Navajo Communications | Rochester, NY | Incumbent Local Exchange Carrier | 100 | — | frontier.com |
| 0100 | Frontier Communications of New York Inc | Rochester, NY | Incumbent Local Exchange Carrier | 88 | — | frontier.com |
| 2172 | Citizens Utilities Rural Company Inc dba Frontier Citizens Utilities Rural | Rochester, NY | Incumbent Local Exchange Carrier | 86 | — | frontier.com |
| 4429 | Citizens Telecommunications Company of Utah dba Frontier Communications of Utah | Rochester, NY | Incumbent Local Exchange Carrier | 85 | — | frontier.com |
| 4426 | Citizens Telecommunications Company of the White Mountains Inc dba Frontier Communications of the White Mountains | Rochester, NY | Incumbent Local Exchange Carrier | 81 | — | frontier.com |
| 1055 | Frontier Communications - Midland Inc | Rochester, NY | Incumbent Local Exchange Carrier | 65 | — | frontier.com |
| 4421 | Frontier Communications of the Southwest Inc - NV | Rochester, NY | Incumbent Local Exchange Carrier | 63 | — | frontier.com |
| 0964 | Frontier Communications of Wisconsin LLC | Rochester, NY | Incumbent Local Exchange Carrier | 60 | — | frontier.com |
| 4450 | Navajo Communications Company Inc dba Frontier Navajo Communications | Rochester, NY | Incumbent Local Exchange Carrier | 60 | — | frontier.com |
| 3401 | Ziply Fiber Oregon LLC dba Ziply Fiber | Rochester, NY | Incumbent Local Exchange Carrier | 58 | — | ziply.com |
| 4336 | Citizens Telecommunications Company of Tennesee LLC dba Frontier Communications of Tennesee LLC | Rochester, NY | Incumbent Local Exchange Carrier | 57 | — | frontier.com |
| 0870 | Frontier Communications of Wisconsin LLC | Rochester, NY | Incumbent Local Exchange Carrier | 56 | — | frontier.com |
| 0526 | Frontier Communications of the Carolinas Inc - SC | Rochester, NY | Incumbent Local Exchange Carrier | 45 | — | frontier.com |
| 2354 | Citizens Telecommunications Company of Nevada dba Frontier Communications of Nevada | Rochester, NY | Incumbent Local Exchange Carrier | 43 | — | frontier.com |
| 0577 | Citizens Telecommunications Company of Tennesee LLC dba Frontier Communications of Tennesee LLC | Rochester, NY | Incumbent Local Exchange Carrier | 40 | — | frontier.com |
| 0306 | Frontier Communications of the South LLC - AL | Rochester, NY | Incumbent Local Exchange Carrier | 39 | — | frontier.com |
| 2475 | Frontier Communications of America Inc - NY | Rochester, NY | Competitive Local Exchange Carrier | 35 | — | frontier.com |
| 0072 | Frontier Communications of Ausable Valley Inc | Rochester, NY | Incumbent Local Exchange Carrier | 34 | — | frontier.com |
| 0831 | Frontier Midstates Inc - IN | Rochester, NY | Incumbent Local Exchange Carrier | 34 | — | frontier.com |
| 0122 | Frontier Communications of Seneca Gorham Inc | Rochester, NY | Incumbent Local Exchange Carrier | 31 | — | frontier.com |
| 0387 | Frontier Communications of Georgia LLC | Rochester, NY | Incumbent Local Exchange Carrier | 31 | — | frontier.com |
| 0460 | Frontier Communications of Mississippi Inc | Houlka, MS | Incumbent Local Exchange Carrier | 30 | — | frontier.com |
| 863F | Frontier Communications of the Southwest Inc - CA | Rochester, NY | Incumbent Local Exchange Carrier | 30 | — | frontier.com |
| 1038 | Frontier Communications of Illinois Inc | Rochester, NY | Incumbent Local Exchange Carrier | 29 | — | frontier.com |
| 440G | Frontier Communications of America Inc - NC | Rochester, NY | Competitive Local Exchange Carrier | 28 | — | frontier.com |
| 0149 | Frontier Communications of Breezewood LLC | Rochester, NY | Incumbent Local Exchange Carrier | 27 | — | frontier.com |
| 1061 | Frontier Communications of Mt. Pulaski Inc | Rochester, NY | Incumbent Local Exchange Carrier | 27 | — | frontier.com |
| 0168 | Frontier Communications of Pennsylvania LLC | Rochester, NY | Incumbent Local Exchange Carrier | 26 | — | frontier.com |
| 4417 | Frontier Communications of Michigan Inc | Rochester, NY | Incumbent Local Exchange Carrier | 26 | — | frontier.com |
| 4464 | Frontier Communications of the South LLC - AL | Rochester, NY | Incumbent Local Exchange Carrier | 26 | — | frontier.com |
| 2315 | Global Valley Networks | Patterson, CA | Incumbent Local Exchange Carrier | 24 | — | frontier.com |
| 0362 | Frontier Communications of Georgia LLC | Rochester, NY | Incumbent Local Exchange Carrier | 22 | — | frontier.com |
| 4419 | Frontier Communications of the Southwest Inc - AZ | Rochester, NY | Incumbent Local Exchange Carrier | 22 | — | frontier.com |
| 4322 | Ziply Fiber Montana LLC dba Ziply Fiber | Rochester, NY | Incumbent Local Exchange Carrier | 21 | — | ziply.com |
| 0944 | Frontier Communications of Wisconsin LLC | Rochester, NY | Incumbent Local Exchange Carrier | 15 | — | frontier.com |
| 2344 | Frontier Communications West Coast Inc - CA | Rochester, NY | Incumbent Local Exchange Carrier | 15 | — | frontier.com |
| 0152 | Frontier Communications of Canton LLC | Rochester, NY | Incumbent Local Exchange Carrier | 14 | — | frontier.com |
| 0301 | Frontier Communications of the South LLC - AL | Monroeville, AL | Incumbent Local Exchange Carrier | 14 | — | frontier.com |
| 0194 | Frontier Communications of Oswayo River LLC | Rochester, NY | Incumbent Local Exchange Carrier | 11 | — | frontier.com |
| 0828 | Frontier Communications of Thorntown Inc | Rochester, NY | Incumbent Local Exchange Carrier | 11 | — | frontier.com |
| 0912 | Frontier Communications of Wisconsin LLC | Rochester, NY | Incumbent Local Exchange Carrier | 10 | — | frontier.com |
| 1079 | Frontier Communications-Schuyler Inc - IL | Rochester, NY | Incumbent Local Exchange Carrier | 9 | — | frontier.com |
| 4418 | Frontier Communications of Michigan Inc - OH | Rochester, NY | Incumbent Local Exchange Carrier | 9 | — | frontier.com |
| 0750 | Frontier Communications of Indiana Inc | Rochester, NY | Incumbent Local Exchange Carrier | 7 | — | frontier.com |
| 0998 | Frontier Communications of Depue Inc | Rochester, NY | Incumbent Local Exchange Carrier | 7 | — | frontier.com |
| 0128 | Frontier Communications of Sylvan Lake Inc | Rochester, NY | Incumbent Local Exchange Carrier | 5 | — | frontier.com |
| 4451 | Navajo Communications Company Inc dba Frontier Navajo Communications Company | Rochester, NY | Incumbent Local Exchange Carrier | 5 | — | frontier.com |
| 0110 | Ogden Telelephone Company dba Frontier Ogden Telephone Company | Rochester, NY | Incumbent Local Exchange Carrier | 4 | — | frontier.com |
| 4465 | Frontier Communications of the South LLC - FL | Rochester, NY | Incumbent Local Exchange Carrier | 4 | — | frontier.com |
| 2342 | Citizens Telecommunications Company of California Inc dba Frontier Communications of California | Rochester, NY | Incumbent Local Exchange Carrier | 3 | — | frontier.com |
| 2474 | Frontier Communications of America Inc - MN | Rochester, NY | Competitive Local Exchange Carrier | 3 | — | frontier.com |
| 006E | Frontier Communications of America Inc - CA | Stamford, CT | Competitive Local Exchange Carrier | 2 | — | frontier.com |
| 1011 | Frontier Communications of Lakeside Inc | Rochester, NY | Incumbent Local Exchange Carrier | 2 | — | frontier.com |
| 1067 | Frontier Communications of Orion Inc | Rochester, NY | Incumbent Local Exchange Carrier | 2 | — | frontier.com |
| 127G | Frontier Communications of Virginia Inc - VA | Rochester, NY | Incumbent Local Exchange Carrier | 2 | — | frontier.com |
| 0178 | Frontier Communications of Lakewood LLC | Rochester, NY | Incumbent Local Exchange Carrier | 1 | — | frontier.com |
| 0967 | Frontier Communications of Wisconsin LLC | Rochester, NY | Incumbent Local Exchange Carrier | 1 | — | frontier.com |
| 007E | Frontier Communications of America Inc - WV | Stamford, CT | Competitive Local Exchange Carrier | 0 | — | |
| 0262 | CTSI Inc | Dallas, PA | Competitive Local Exchange Carrier | 0 | — | |
| 0318 | Frontier Communications of the South LLC | Rochester, NY | Incumbent Local Exchange Carrier | 0 | — | |
| 039E | Frontier Communications of America Inc - AL | Rochester, NY | Competitive Local Exchange Carrier | 0 | — | |
| 0682 | Frontier Communications of Michigan Inc | Rochester, NY | Incumbent Local Exchange Carrier | 0 | — | |
| 0891 | Rhinelander Telephone Company (Headwaters) dba Frontier Rib Lake Telecom | Rochester, NY | Incumbent Local Exchange Carrier | 0 | — | |
| 0940 | Rhinelander Telephone Company (Rhinelander) dba Frontier Rib Lake Telecom | Rochester, NY | Incumbent Local Exchange Carrier | 0 | — | |
| 0941 | Rhinelander Telephone Company (Rib Lake) dba Frontier Rib Lake Telecom | Rochester, NY | Incumbent Local Exchange Carrier | 0 | — | |
| 096F | Frontier Communications of America Inc - AZ | Rochester, NY | Competitive Local Exchange Carrier | 0 | — | |
| 1104 | Citizens Telecommunications Company of Idaho | Plano, TX | Incumbent Local Exchange Carrier | 0 | — | |
| 1124 | Citizens Telecommunications Company of Montana | Plano, TX | Incumbent Local Exchange Carrier | 0 | — | |
| 1528 | Frontier Communications of America Inc | Rochester, NY | Local Reseller | 0 | — | |
| 198E | Frontier Communications of America Inc - IA | Rochester, NY | Competitive Local Exchange Carrier | 0 | — | |
| 2080 | GTE-SW dba Verizon Southwest Inc | Irving, TX | Incumbent Local Exchange Carrier | 0 | — | |
| 2275 | Navajo Communications Company Inc | Rochester, NY | Incumbent Local Exchange Carrier | 0 | — | |
| 2302 | Verizon California Inc | Irving, TX | Regional Bell Operating Company | 0 | — | |
| 2416 | Frontier Communications Northwest Inc | Rochester, NY | Incumbent Local Exchange Carrier | 0 | — | |
| 2449 | Verizon Northwest Inc | Irving, TX | Regional Bell Operating Company | 0 | — | |
| 2454 | Woodbury Telephone Company | Woodbury, CT | Incumbent Local Exchange Carrier | 0 | — | |
| 2473 | Frontier Communications of America Inc | Rochester, NY | Competitive Local Exchange Carrier | 0 | — | |
| 2476 | Frontier Communications of America Inc - FL | Rochester, NY | Competitive Local Exchange Carrier | 0 | — | |
| 253E | Frontier Communications of America Inc - GA | Rochester, NY | Competitive Local Exchange Carrier | 0 | — | |
| 254E | Frontier Communications of America Inc - NV | Rochester, NY | Competitive Local Exchange Carrier | 0 | — | |
| 291E | Frontier Communications of America Inc - MT | Rochester, NY | Competitive Local Exchange Carrier | 0 | — | |
| 294E | Frontier Communications of America Inc - ID | Rochester, NY | Competitive Local Exchange Carrier | 0 | — | |
| 3324 | Frontier Communications of America Inc - PA | Rochester, NY | Competitive Local Exchange Carrier | 0 | — | |
| 432E | Frontier Communications of America Inc - OR | Rochester, NY | Competitive Local Exchange Carrier | 0 | — | |
| 4341 | GTE Southwest Inc - AR | Irving, TX | Incumbent Local Exchange Carrier | 0 | — | |
| 4342 | GTE Southwest Inc - NM | Irving, TX | Incumbent Local Exchange Carrier | 0 | — | |
| 4343 | GTE Southwest Inc - OK | Irving, TX | Incumbent Local Exchange Carrier | 0 | — | |
| 4428 | GTE Southwest Inc - NM | Irving, TX | Incumbent Local Exchange Carrier | 0 | — | |
| 474E | Frontier Communications of America Inc - IN | Rochester, NY | Competitive Local Exchange Carrier | 0 | — | |
| 475E | Frontier Communications of America Inc - MI | Rochester, NY | Competitive Local Exchange Carrier | 0 | — | |
| 4951 | Frontier Communications Northwest Inc - OR | Everett, WA | Competitive Local Exchange Carrier | 0 | — | |
| 4972 | Frontier Communications Northwest Inc | Everett, WA | Competitive Local Exchange Carrier | 0 | — | |
| 5050 | Frontier West Virginia Inc - WV | New York, NY | Regional Bell Operating Company | 0 | — | |
| 5200 | The Southern New England Telephone Company dba Frontier Communications of Connecticut | Rochester, NY | Regional Bell Operating Company | 0 | — | |
| 544E | Frontier Communications of America Inc - MS | Rochester, NY | Competitive Local Exchange Carrier | 0 | — | |
| 593E | Frontier Communications of America Inc - WI | Rochester, NY | Competitive Local Exchange Carrier | 0 | — | |
| 674E | Frontier Communications of America Inc - NE | Rochester, NY | Competitive Local Exchange Carrier | 0 | — | |
| 7330 | Frontier Communications of Rochester Inc | Rochester, NY | Competitive Local Exchange Carrier | 0 | — | |
| 7345 | Frontier Communications International Inc | Rochester, NY | Competitive Local Exchange Carrier | 0 | — | |
| 770G | Frontier Communications of America Inc - SC | Rochester, NY | Competitive Local Exchange Carrier | 0 | — | |
| 7993 | Frontier Communications Northwest Inc - WA | Everett, WA | Competitive Local Exchange Carrier | 0 | — | |
| 807E | Frontier Communications of America Inc - IL | Rochester, NY | Competitive Local Exchange Carrier | 0 | — | |
| 817E | Frontier Communications of America Inc - UT | Rochester, NY | Competitive Local Exchange Carrier | 0 | — | |
| 866C | Frontier Communications of America Inc - TN | Stamford, CT | Competitive Local Exchange Carrier | 0 | — | |
| 901E | Frontier Communications of America Inc - NM | Rochester, NY | Competitive Local Exchange Carrier | 0 | — | |
| 963G | Frontier Communications of America Inc - OH | Rochester, NY | Competitive Local Exchange Carrier | 0 | — | |
| SN08 | The Southern New England Telephone Company | Norwalk, CT | Administrative / Reserved | 0 | — |