Area code 771
700 number blocks indexed across 24 carriers.
States: DC (700)
Carriers
| OCN | Company | HQ | Type | Blocks | Recent | Website |
|---|---|---|---|---|---|---|
| 850D | Onvoy LLC - DC | Chicago, IL | Competitive Local Exchange Carrier | 214 | 34 | sinch.com |
| 4036 | New Cingular Wireless PCS LLC - DC | Atlanta, GA | Wireless Carrier | 67 | 20 | att.com |
| 6402 | Cellco Partnership dba Verizon Wireless - DC | Olathe, KS | Wireless Carrier | 57 | 10 | verizonwireless.com |
| 515J | IP Horizon LLC | Orlando, FL | IP-Enabled Service / VoIP | 8 | 8 | |
| 6855 | Omnipoint Communications Cap Operations LLC | Cedar Knolls, NJ | Personal Communications Service (Wireless) | 43 | 5 | t-mobile.com |
| 490J | Boost SubscriberCo LLC | Washington, DC | Wireless Carrier | 11 | 5 | dish.com |
| 624H | Onvoy Spectrum LLC | Broomfield, CO | Wireless Carrier | 23 | 4 | |
| 073H | Telnyx LLC | Chicago, IL | IP-Enabled Service / VoIP | 13 | 4 | telnyx.com |
| 7529 | Teleport Communications America LLC - DC | Staten Island, NY | Competitive Local Exchange Carrier | 88 | 3 | att.com |
| 321J | HD Carrier LLC | Henderson, NV | IP-Enabled Service / VoIP | 4 | 2 | hdcarrier.com |
| 700J | Wavenation LLC | Chicago, IL | IP-Enabled Service / VoIP | 2 | 2 | peerlessnetwork.com |
| 074F | Bandwidth.com CLEC LLC - DC | Cary, NC | Competitive Local Exchange Carrier | 77 | 1 | bandwidth.com |
| 616J | Leap Telecom LLC | Denver, CO | IP-Enabled Service / VoIP | 3 | 1 | leap.tel |
| 7229 | MCImetro Access Transmission Services LLC | Vienna, VA | Competitive Local Exchange Carrier | 30 | — | verizon.com |
| MULT | Multiple OCN Listing | Administrative / Reserved | 14 | — | ||
| 6117 | Level 3 Communications LLC - DC | Westminster, CO | Competitive Local Exchange Carrier | 13 | — | centurylink.com |
| 5562 | T-Mobile USA Inc | Dallas, TX | Personal Communications Service (Wireless) | 7 | — | metropcs.com |
| 965H | Fractel LLC | Indialantic, FL | IP-Enabled Service / VoIP | 7 | — | fractel.net |
| 275F | Peerless Network of the District of Columbia LLC - DC | Chicago, IL | Competitive Local Exchange Carrier | 5 | — | peerlessnetwork.com |
| 538H | Wide Voice LLC - DC | Las Vegas, NV | Competitive Local Exchange Carrier | 4 | — | widevoice.com |
| 598J | Five9 InC | San Ramon, CA | IP-Enabled Service / VoIP | 4 | — | five9.com |
| 478J | NUSO LLC | Atlanta, GA | IP-Enabled Service / VoIP | 3 | — | brightlink.com |
| 939H | Commio LLC | Austin, TX | IP-Enabled Service / VoIP | 2 | — | commio.com |
| 197D | Vonage America LLC | Holmdel, NJ | IP-Enabled Service / VoIP | 1 | — | vonage.com |