Area code 983
349 number blocks indexed across 26 carriers.
States: CO (349)
Carriers
| OCN | Company | HQ | Type | Blocks | Recent | Website |
|---|---|---|---|---|---|---|
| 6567 | Cellco Partnership dba Verizon Wireless - CO | Olathe, KS | Wireless Carrier | 59 | 56 | verizonwireless.com |
| 026D | Onvoy LLC - CO | Chicago, IL | Competitive Local Exchange Carrier | 87 | 42 | sinch.com |
| 6010 | New Cingular Wireless PCS LLC | Kirkland, WA | Wireless Carrier | 62 | 26 | att.com |
| 490J | Boost SubscriberCo LLC | Washington, DC | Wireless Carrier | 13 | 9 | dish.com |
| 624H | Onvoy Spectrum LLC | Broomfield, CO | Wireless Carrier | 14 | 5 | |
| 7378 | Teleport Communications America LLC - CO | Staten Island, NY | Competitive Local Exchange Carrier | 15 | 4 | att.com |
| 557H | Wide Voice LLC - CO | Las Vegas, NV | Competitive Local Exchange Carrier | 13 | 3 | widevoice.com |
| 321J | HD Carrier LLC | Henderson, NV | IP-Enabled Service / VoIP | 7 | 3 | hdcarrier.com |
| 053L | Telimize LLC | Stillwater, OK | IP-Enabled Service / VoIP | 3 | 3 | |
| 883K | Ahoi LLC | Littleton, CO | IP-Enabled Service / VoIP | 3 | 3 | |
| 078F | Bandwidth.com CLEC LLC - CO | Cary, NC | Competitive Local Exchange Carrier | 15 | 2 | bandwidth.com |
| 671J | U.S. Telepacific Corporation dba TPx Communications | Las Vegas, NV | IP-Enabled Service / VoIP | 2 | 2 | tpx.com |
| 700J | Wavenation LLC | Chicago, IL | IP-Enabled Service / VoIP | 2 | 2 | peerlessnetwork.com |
| 824J | Opentact Inc | Cheyenne, WY | IP-Enabled Service / VoIP | 2 | 2 | |
| 907K | Allo Communications LLC | Lincoln, NE | IP-Enabled Service / VoIP | 2 | 2 | |
| MULT | Multiple OCN Listing | Administrative / Reserved | 14 | — | ||
| 732J | NUSO LLC | University City, MO | IP-Enabled Service / VoIP | 9 | — | brightlink.com |
| 701J | Mash Telecom Inc | Montreal, QC | IP-Enabled Service / VoIP | 6 | — | |
| 9636 | Qwest Corporation | Minneapolis, MN | Regional Bell Operating Company | 5 | — | centurylink.com |
| 0051 | Shelcomm | Baldwin Park, CA | Wireless Carrier | 3 | — | |
| 318J | Comcast IP Phone LLC | Philadelphia, PA | IP-Enabled Service / VoIP | 3 | — | comcast.com |
| 616J | Leap Telecom LLC | Denver, CO | IP-Enabled Service / VoIP | 3 | — | leap.tel |
| 6529 | T-Mobile USA Inc | Bellevue, WA | Personal Communications Service (Wireless) | 3 | — | t-mobile.com |
| 278F | Peerless Network of Colorado LLC - CO | Chicago, IL | Competitive Local Exchange Carrier | 2 | — | peerlessnetwork.com |
| 073H | Telnyx LLC | Chicago, IL | IP-Enabled Service / VoIP | 1 | — | telnyx.com |
| 839J | EON Telecom Inc | Bellingham, WA | IP-Enabled Service / VoIP | 1 | — |