Area code 551
3,042 number blocks indexed across 40 carriers.
States: NJ (3,042)
Carriers
| OCN | Company | HQ | Type | Blocks | Recent | Website |
|---|---|---|---|---|---|---|
| 637C | Onvoy LLC - NJ | Chicago, IL | Competitive Local Exchange Carrier | 807 | 104 | sinch.com |
| 6623 | Omnipoint Communications Inc - NJ | Wayne, NJ | Personal Communications Service (Wireless) | 593 | 59 | t-mobile.com |
| 4036 | New Cingular Wireless PCS LLC - DC | Atlanta, GA | Wireless Carrier | 308 | 53 | att.com |
| 6391 | Cellco Partnership dba Verizon Wireless - NJ | Olathe, KS | Wireless Carrier | 435 | 19 | verizonwireless.com |
| 490J | Boost SubscriberCo LLC | Washington, DC | Wireless Carrier | 18 | 9 | dish.com |
| 118F | Bandwidth.com CLEC LLC - NJ | Cary, NC | Competitive Local Exchange Carrier | 205 | 5 | bandwidth.com |
| 4948 | Cablevision Lightpath Inc - NJ | Hicksville, NY | Competitive Local Exchange Carrier | 39 | 5 | altice.com |
| 321J | HD Carrier LLC | Henderson, NV | IP-Enabled Service / VoIP | 20 | 3 | hdcarrier.com |
| 073H | Telnyx LLC | Chicago, IL | IP-Enabled Service / VoIP | 40 | 2 | telnyx.com |
| 700J | Wavenation LLC | Chicago, IL | IP-Enabled Service / VoIP | 2 | 2 | peerlessnetwork.com |
| 264F | Peerless Network of New Jersey LLC - NJ | Chicago, IL | Competitive Local Exchange Carrier | 79 | 1 | peerlessnetwork.com |
| 4804 | Level 3 Communications LLC - NJ | Westminster, CO | Competitive Local Exchange Carrier | 31 | 1 | centurylink.com |
| 7142 | Teleport Communications America LLC - NJ | Staten Island, NY | Competitive Local Exchange Carrier | 23 | 1 | att.com |
| 425J | CSC Wireless LLC | Long Island City, NY | Wireless Carrier | 15 | 1 | alticeusa.com |
| 732J | NUSO LLC | University City, MO | IP-Enabled Service / VoIP | 13 | 1 | brightlink.com |
| 612K | CSC Voice LLC | Bethpage, NY | IP-Enabled Service / VoIP | 5 | 1 | |
| 624H | Onvoy Spectrum LLC | Broomfield, CO | Wireless Carrier | 89 | — | |
| 5562 | T-Mobile USA Inc | Dallas, TX | Personal Communications Service (Wireless) | 55 | — | metropcs.com |
| 197D | Vonage America LLC | Holmdel, NJ | IP-Enabled Service / VoIP | 44 | — | vonage.com |
| 965H | Fractel LLC | Indialantic, FL | IP-Enabled Service / VoIP | 35 | — | fractel.net |
| 939H | Commio LLC | Austin, TX | IP-Enabled Service / VoIP | 32 | — | commio.com |
| 516J | Ton80 Communications LLC | Anderson, SC | IP-Enabled Service / VoIP | 27 | — | coretel.net |
| 7229 | MCImetro Access Transmission Services LLC | Vienna, VA | Competitive Local Exchange Carrier | 20 | — | verizon.com |
| 967G | Local Access LLC - NJ | Windermere, FL | Competitive Local Exchange Carrier | 19 | — | |
| 999H | Bluebird Communications LLC - NJ | New York, NY | Competitive Local Exchange Carrier | 18 | — | bluebirdphone.com |
| MULT | Multiple OCN Listing | Administrative / Reserved | 14 | — | ||
| 829J | PAETEC iTel LLC | Charlotte, NC | IP-Enabled Service / VoIP | 11 | — | |
| 318J | Comcast IP Phone LLC | Philadelphia, PA | IP-Enabled Service / VoIP | 9 | — | comcast.com |
| 066G | Airus Inc - NJ | San Mateo, CA | Competitive Local Exchange Carrier | 6 | — | intelepeer.com |
| 507J | The Voice Application Network LLC | El Segundo, CA | IP-Enabled Service / VoIP | 5 | — | widevoice.com |
| 478J | NUSO LLC | Atlanta, GA | IP-Enabled Service / VoIP | 4 | — | brightlink.com |
| 2771 | Level 3 Telecom of New Jersey LP - NJ | Littleton, CO | Competitive Local Exchange Carrier | 3 | — | centurylink.com |
| 325E | YMax Communications Corporation - NJ | Palm Beach, FL | Competitive Local Exchange Carrier | 3 | — | ymaxcorp.com |
| 482E | Fusion LLC | Cedar Grove, NJ | Competitive Local Exchange Carrier | 3 | — | simlab.org |
| 508J | CenturyLink Communications LLC | Littleton, CO | IP-Enabled Service / VoIP | 3 | — | centurylink.com |
| 7134 | MCImetro Access Transmission Services LLC - NJ | Vienna, VA | Competitive Local Exchange Carrier | 3 | — | verizon.com |
| 482F | CoreTel New Jersey Inc - NJ | Annapolis, MD | Competitive Local Exchange Carrier | 2 | — | coretel.net |
| 793K | TWC IP Enabled Services LLC | Saint Louis, MO | IP-Enabled Service / VoIP | 2 | — | |
| 852B | Business Automation Technologies Inc - NJ | Red Bank, NJ | Underlying Local Exchange Carrier | 1 | — | dnetworksolution.com |
| 9206 | Verizon New Jersey Inc | Falls Church, VA | Regional Bell Operating Company | 1 | — | verizon.com |