Area code 571
6,215 number blocks indexed across 47 carriers.
States: VA (6,215)
Carriers
| OCN | Company | HQ | Type | Blocks | Recent | Website |
|---|---|---|---|---|---|---|
| 4036 | New Cingular Wireless PCS LLC - DC | Atlanta, GA | Wireless Carrier | 1,071 | 186 | att.com |
| 138E | Onvoy LLC - VA | Chicago, IL | Competitive Local Exchange Carrier | 799 | 112 | sinch.com |
| 6827 | Cellco Partnership dba Verizon Wireless - VA | Olathe, KS | Wireless Carrier | 594 | 50 | verizon.com |
| 515J | IP Horizon LLC | Orlando, FL | IP-Enabled Service / VoIP | 90 | 41 | |
| 6855 | Omnipoint Communications Cap Operations LLC | Cedar Knolls, NJ | Personal Communications Service (Wireless) | 871 | 40 | t-mobile.com |
| 079F | Bandwidth.com CLEC LLC - VA | Cary, NC | Competitive Local Exchange Carrier | 506 | 28 | bandwidth.com |
| 073H | Telnyx LLC | Chicago, IL | IP-Enabled Service / VoIP | 71 | 14 | telnyx.com |
| 7529 | Teleport Communications America LLC - DC | Staten Island, NY | Competitive Local Exchange Carrier | 241 | 11 | att.com |
| 624H | Onvoy Spectrum LLC | Broomfield, CO | Wireless Carrier | 121 | 6 | |
| 490J | Boost SubscriberCo LLC | Washington, DC | Wireless Carrier | 19 | 5 | dish.com |
| 4644 | Teleport Communications America LLC - VA | Staten Island, NY | Competitive Local Exchange Carrier | 42 | 3 | att.com |
| 145J | Terra Nova Telecom Inc | Lakewood Ranch, FL | IP-Enabled Service / VoIP | 4 | 2 | terranova.net |
| 732J | NUSO LLC | University City, MO | IP-Enabled Service / VoIP | 4 | 2 | brightlink.com |
| 114J | Exiant Communications LLC | Eldersburg, MD | IP-Enabled Service / VoIP | 2 | 2 | exiantcom.com |
| 616J | Leap Telecom LLC | Denver, CO | IP-Enabled Service / VoIP | 2 | 2 | leap.tel |
| 7421 | AT&T Local | Bedminster, NJ | Competitive Local Exchange Carrier | 2 | 2 | att.com |
| 969J | Global Net Communications Inc | Chandler, AZ | IP-Enabled Service / VoIP | 2 | 2 | globalnetcommunications.com |
| 318J | Comcast IP Phone LLC | Philadelphia, PA | IP-Enabled Service / VoIP | 213 | 1 | comcast.com |
| 7229 | MCImetro Access Transmission Services LLC | Vienna, VA | Competitive Local Exchange Carrier | 310 | — | verizon.com |
| 5562 | T-Mobile USA Inc | Dallas, TX | Personal Communications Service (Wireless) | 262 | — | metropcs.com |
| 8825 | Level 3 Communications LLC - VA | Westminster, CO | Competitive Local Exchange Carrier | 226 | — | centurylink.com |
| 829J | PAETEC iTel LLC | Charlotte, NC | IP-Enabled Service / VoIP | 166 | — | |
| 9213 | Verizon Virginia Inc | Falls Church, VA | Regional Bell Operating Company | 159 | — | verizon.com |
| 275G | Peerless Network of Virginia LLC - VA | Chicago, IL | Competitive Local Exchange Carrier | 106 | — | peerlessnetwork.com |
| 367E | YMax Communications Corporation of Virginia - VA | Palm Beach, FL | Competitive Local Exchange Carrier | 63 | — | ymaxcorp.com |
| 939H | Commio LLC | Austin, TX | IP-Enabled Service / VoIP | 43 | — | commio.com |
| 197D | Vonage America LLC | Holmdel, NJ | IP-Enabled Service / VoIP | 35 | — | vonage.com |
| 0233 | Verizon South Inc - VA (Contel) | Irving, TX | Regional Bell Operating Company | 28 | — | verizon.com |
| 5832 | Coretel Virginia LLC - VA | Annapolis, MD | Competitive Local Exchange Carrier | 25 | — | coretel.net |
| 551G | NUSO LLC | Atlanta, GA | Wireless Carrier | 23 | — | 365wireless.net |
| 516J | Ton80 Communications LLC | Anderson, SC | IP-Enabled Service / VoIP | 21 | — | coretel.net |
| 965H | Fractel LLC | Indialantic, FL | IP-Enabled Service / VoIP | 20 | — | fractel.net |
| 508J | CenturyLink Communications LLC | Littleton, CO | IP-Enabled Service / VoIP | 17 | — | centurylink.com |
| 102H | Local Access LLC - VA | Windermere, FL | Competitive Local Exchange Carrier | 15 | — | |
| MULT | Multiple OCN Listing | Administrative / Reserved | 14 | — | ||
| 7769 | Level 3 Telecom of Virginia LLC - VA | Columbia, MD | Competitive Local Exchange Carrier | 5 | — | centurylink.com |
| 8830 | Starpower Communications LLC - VA | Princeton, NJ | Competitive Local Exchange Carrier | 5 | — | astound.com |
| 478J | NUSO LLC | Atlanta, GA | IP-Enabled Service / VoIP | 4 | — | brightlink.com |
| 597F | VOIP Innovations LLC | Pittsburgh, PA | IP-Enabled Service / VoIP | 3 | — | voipstreet.com |
| 506J | Twilio International Inc | San Francisco, CA | IP-Enabled Service / VoIP | 2 | — | twilio.com |
| 514G | Atlantech Online of Virginia LLC | Silver Spring, MD | Competitive Local Exchange Carrier | 2 | — | atlantech.net |
| 726H | Airus Inc - VA | Chicago, IL | Competitive Local Exchange Carrier | 2 | — | airustel.com |
| 156J | RCLEC Inc | Centennial, CO | IP-Enabled Service / VoIP | 1 | — | rclec.com |
| 1960 | ATX Telecommunications Services Ltd - VA | Bala Cynwyd, PA | Competitive Local Exchange Carrier | 1 | — | corecomm.com |
| 2593 | Core Communications Inc - MD | Annapolis, MD | Competitive Local Exchange Carrier | 1 | — | coretel.net |
| 6630 | Spok Inc | Plano, TX | Wireless Carrier | 1 | — | spok.com |
| 9748 | American Messaging Services LLC | Lewisville, TX | Wireless Carrier | 1 | — | americanmessaging.net |