West Corporation
All OCNs operating under this holding company.
| OCN | Company | HQ | Type | Total | Recent | Website |
|---|---|---|---|---|---|---|
| 831C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 58 | — | att.com |
| 819C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 17 | — | att.com |
| 841C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 17 | — | att.com |
| 813C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 15 | — | att.com |
| 809C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 14 | — | att.com |
| 116E | Intrado Communications LLC | Lancaster, TX | Competitive Local Exchange Carrier | 13 | — | att.com |
| 826C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 11 | — | att.com |
| 829C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 11 | — | att.com |
| 807C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 10 | — | |
| 812C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 9 | — | att.com |
| 827C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 9 | — | att.com |
| 835C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 9 | — | att.com |
| 817C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 7 | — | att.com |
| 815C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 5 | — | |
| 821C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 5 | — | att.com |
| 836C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 5 | — | |
| 861C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 5 | — | att.com |
| 9557 | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 5 | — | att.com |
| 820C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 4 | — | att.com |
| 834C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 4 | — | att.com |
| 845C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 3 | — | att.com |
| 808C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 2 | — | att.com |
| 9558 | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 1 | — | |
| 032F | Intrado Safety Communications Inc | Longmont, CO | Competitive Local Exchange Carrier | 0 | — | |
| 033F | Intrado Safety Communications Inc | Longmont, CO | Competitive Local Exchange Carrier | 0 | — | |
| 034F | Intrado Safety Communications Inc | Longmont, CO | Competitive Local Exchange Carrier | 0 | — | |
| 035F | Intrado Safety Communications Inc | Longmont, CO | Competitive Local Exchange Carrier | 0 | — | |
| 143E | Smoothstone IP Communications Corporation | Louisville, KY | IP-Enabled Service / VoIP | 0 | — | |
| 1773 | Intrado Safety Communications Inc | Boulder, CO | Competitive Access Provider | 0 | — | |
| 188G | Intrado Safety Communications Inc | Longmont, CO | Competitive Local Exchange Carrier | 0 | — | |
| 280F | Intrado Safety Communications Inc | Longmont, CO | Competitive Local Exchange Carrier | 0 | — | |
| 296F | Intrado Safety Communications Inc | Longmont, CO | Competitive Local Exchange Carrier | 0 | — | |
| 5060 | Intrado Safety Communications Inc | Longmont, CO | Competitive Local Exchange Carrier | 0 | — | |
| 5063 | Intrado Safety Communications Inc | Boulder, CO | Competitive Local Exchange Carrier | 0 | — | |
| 5064 | Intrado Safety Communications Inc | Boulder, CO | Competitive Local Exchange Carrier | 0 | — | |
| 5066 | Intrado Safety Communications Inc | Boulder, CO | Competitive Local Exchange Carrier | 0 | — | |
| 5067 | Intrado Safety Communications Inc | Boulder, CO | Competitive Local Exchange Carrier | 0 | — | |
| 5068 | Intrado Safety Communications Inc | Boulder, CO | Competitive Local Exchange Carrier | 0 | — | |
| 509F | Intrado Safety Communications Inc | Longmont, CO | Competitive Local Exchange Carrier | 0 | — | |
| 5402 | Intrado Safety Communications Inc | Boulder, CO | Competitive Local Exchange Carrier | 0 | — | |
| 5403 | Intrado Safety Communications Inc | Boulder, CO | Competitive Local Exchange Carrier | 0 | — | |
| 5404 | Intrado Safety Communications Inc | Boulder, CO | Competitive Local Exchange Carrier | 0 | — | |
| 5589 | Intrado Safety Communications Inc | Boulder, CO | Competitive Local Exchange Carrier | 0 | — | |
| 5590 | Intrado Safety Communications Inc | Boulder, CO | Competitive Local Exchange Carrier | 0 | — | |
| 5591 | Intrado Safety Communications Inc | Boulder, CO | Competitive Local Exchange Carrier | 0 | — | |
| 670F | Intrado Safety Communications Inc | Longmont, CO | Competitive Local Exchange Carrier | 0 | — | |
| 671F | Intrado Safety Communications Inc | Longmont, CO | Competitive Local Exchange Carrier | 0 | — | |
| 678F | Intrado Safety Communications Inc | Longmont, CO | Competitive Local Exchange Carrier | 0 | — | |
| 679F | Intrado Safety Communications Inc | Longmont, CO | Competitive Local Exchange Carrier | 0 | — | |
| 680F | Intrado Safety Communications Inc | Longmont, CO | Competitive Local Exchange Carrier | 0 | — | |
| 681F | Intrado Safety Communications Inc | Longmont, CO | Competitive Local Exchange Carrier | 0 | — | |
| 682F | Intrado Safety Communications Inc | Longmont, CO | Competitive Local Exchange Carrier | 0 | — | |
| 683F | Intrado Safety Communications Inc | Longmont, CO | Competitive Local Exchange Carrier | 0 | — | |
| 684F | Intrado Safety Communications Inc | Longmont, CO | Competitive Local Exchange Carrier | 0 | — | |
| 685F | Intrado Safety Communications Inc | Longmont, CO | Competitive Local Exchange Carrier | 0 | — | |
| 686F | Intrado Safety Communications Inc | Longmont, CO | Competitive Local Exchange Carrier | 0 | — | |
| 687F | Intrado Safety Communications Inc | Longmont, CO | Competitive Local Exchange Carrier | 0 | — | |
| 810C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | |
| 811C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | |
| 814C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | |
| 816C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | |
| 818C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | |
| 822C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | |
| 823C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | att.com |
| 824C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | |
| 825C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | |
| 828C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | |
| 830C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | |
| 832C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | |
| 833C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | |
| 837C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | |
| 838C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | |
| 839C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | |
| 840C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | |
| 842C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | |
| 843C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | |
| 844C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | |
| 860C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | |
| 893C | KMC Data LLC - TX | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | |
| 9555 | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | |
| 9556 | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 0 | — | |
| 956G | Intrado Safety Communications Inc | Longmont, CO | Competitive Local Exchange Carrier | 0 | — |