Area code 856
5,394 number blocks indexed across 55 carriers.
States: NJ (5,394)
Carriers
| OCN | Company | HQ | Type | Blocks | Recent | Website |
|---|---|---|---|---|---|---|
| 4036 | New Cingular Wireless PCS LLC - DC | Atlanta, GA | Wireless Carrier | 621 | 80 | att.com |
| 637C | Onvoy LLC - NJ | Chicago, IL | Competitive Local Exchange Carrier | 700 | 66 | sinch.com |
| 6391 | Cellco Partnership dba Verizon Wireless - NJ | Olathe, KS | Wireless Carrier | 298 | 22 | verizonwireless.com |
| 6626 | Omnipoint Communications Enterprises LP | Cedar Knolls, NJ | Personal Communications Service (Wireless) | 549 | 11 | t-mobile.com |
| 145J | Terra Nova Telecom Inc | Lakewood Ranch, FL | IP-Enabled Service / VoIP | 6 | 6 | terranova.net |
| 490J | Boost SubscriberCo LLC | Washington, DC | Wireless Carrier | 13 | 3 | dish.com |
| 264F | Peerless Network of New Jersey LLC - NJ | Chicago, IL | Competitive Local Exchange Carrier | 122 | 2 | peerlessnetwork.com |
| 321J | HD Carrier LLC | Henderson, NV | IP-Enabled Service / VoIP | 41 | 2 | hdcarrier.com |
| 4948 | Cablevision Lightpath Inc - NJ | Hicksville, NY | Competitive Local Exchange Carrier | 5 | 2 | altice.com |
| 700J | Wavenation LLC | Chicago, IL | IP-Enabled Service / VoIP | 2 | 2 | peerlessnetwork.com |
| 118F | Bandwidth.com CLEC LLC - NJ | Cary, NC | Competitive Local Exchange Carrier | 323 | 1 | bandwidth.com |
| 7142 | Teleport Communications America LLC - NJ | Staten Island, NY | Competitive Local Exchange Carrier | 33 | 1 | att.com |
| 732J | NUSO LLC | University City, MO | IP-Enabled Service / VoIP | 1 | 1 | brightlink.com |
| 9206 | Verizon New Jersey Inc | Falls Church, VA | Regional Bell Operating Company | 585 | — | verizon.com |
| 829J | PAETEC iTel LLC | Charlotte, NC | IP-Enabled Service / VoIP | 427 | — | |
| 5562 | T-Mobile USA Inc | Dallas, TX | Personal Communications Service (Wireless) | 309 | — | metropcs.com |
| 318J | Comcast IP Phone LLC | Philadelphia, PA | IP-Enabled Service / VoIP | 256 | — | comcast.com |
| 7134 | MCImetro Access Transmission Services LLC - NJ | Vienna, VA | Competitive Local Exchange Carrier | 207 | — | verizon.com |
| 4804 | Level 3 Communications LLC - NJ | Westminster, CO | Competitive Local Exchange Carrier | 196 | — | centurylink.com |
| 624H | Onvoy Spectrum LLC | Broomfield, CO | Wireless Carrier | 126 | — | |
| 835E | Block Line Systems LLC - NJ | Glen Mills, PA | Competitive Local Exchange Carrier | 72 | — | infinitecomm.biz |
| 7310 | Teleport Communications America LLC - NJ | Staten Island, NY | Competitive Local Exchange Carrier | 65 | — | att.com |
| 939H | Commio LLC | Austin, TX | IP-Enabled Service / VoIP | 65 | — | commio.com |
| 967G | Local Access LLC - NJ | Windermere, FL | Competitive Local Exchange Carrier | 48 | — | |
| 073H | Telnyx LLC | Chicago, IL | IP-Enabled Service / VoIP | 41 | — | telnyx.com |
| 3639 | Monmouth Telephone & Telegraph Inc - NJ | Red Bank, NJ | Competitive Local Exchange Carrier | 37 | — | monmouth.com |
| 508J | CenturyLink Communications LLC | Littleton, CO | IP-Enabled Service / VoIP | 31 | — | centurylink.com |
| 9003 | Netcarrier Telecom Inc - NJ | Lansdale, PA | Competitive Local Exchange Carrier | 30 | — | netcarrier.com |
| 325E | YMax Communications Corporation - NJ | Palm Beach, FL | Competitive Local Exchange Carrier | 23 | — | ymaxcorp.com |
| 551G | NUSO LLC | Atlanta, GA | Wireless Carrier | 22 | — | 365wireless.net |
| 965H | Fractel LLC | Indialantic, FL | IP-Enabled Service / VoIP | 20 | — | fractel.net |
| 516J | Ton80 Communications LLC | Anderson, SC | IP-Enabled Service / VoIP | 19 | — | coretel.net |
| 7421 | AT&T Local | Bedminster, NJ | Competitive Local Exchange Carrier | 15 | — | att.com |
| MULT | Multiple OCN Listing | Administrative / Reserved | 14 | — | ||
| 507J | The Voice Application Network LLC | El Segundo, CA | IP-Enabled Service / VoIP | 11 | — | widevoice.com |
| 6630 | Spok Inc | Plano, TX | Wireless Carrier | 8 | — | spok.com |
| 197D | Vonage America LLC | Holmdel, NJ | IP-Enabled Service / VoIP | 7 | — | vonage.com |
| 482F | CoreTel New Jersey Inc - NJ | Annapolis, MD | Competitive Local Exchange Carrier | 5 | — | coretel.net |
| 396H | Wide Voice LLC - NJ | Las Vegas, NV | Competitive Local Exchange Carrier | 4 | — | widevoice.com |
| 425J | CSC Wireless LLC | Long Island City, NY | Wireless Carrier | 4 | — | alticeusa.com |
| 598J | Five9 InC | San Ramon, CA | IP-Enabled Service / VoIP | 4 | — | five9.com |
| 7229 | MCImetro Access Transmission Services LLC | Vienna, VA | Competitive Local Exchange Carrier | 4 | — | verizon.com |
| 829C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 3 | — | att.com |
| 917G | Barr Tell USA Inc - NJ | Long Beach, NY | Competitive Local Exchange Carrier | 3 | — | barrtell.com |
| 066G | Airus Inc - NJ | San Mateo, CA | Competitive Local Exchange Carrier | 2 | — | intelepeer.com |
| 114J | Exiant Communications LLC | Eldersburg, MD | IP-Enabled Service / VoIP | 2 | — | exiantcom.com |
| 475J | Callworks Corporation | Fair Oaks, TX | IP-Enabled Service / VoIP | 2 | — | callworks.me |
| 478J | NUSO LLC | Atlanta, GA | IP-Enabled Service / VoIP | 2 | — | brightlink.com |
| 616J | Leap Telecom LLC | Denver, CO | IP-Enabled Service / VoIP | 2 | — | leap.tel |
| 622J | Skye Telecom LLC dba Skyetel | Vancouver, WA | IP-Enabled Service / VoIP | 2 | — | skyetel.com |
| 852B | Business Automation Technologies Inc - NJ | Red Bank, NJ | Underlying Local Exchange Carrier | 2 | — | dnetworksolution.com |
| 854D | Xtel Communications Inc | Marlton, NJ | Competitive Local Exchange Carrier | 2 | — | consolidated.com |
| 156J | RCLEC Inc | Centennial, CO | IP-Enabled Service / VoIP | 1 | — | rclec.com |
| 515J | IP Horizon LLC | Orlando, FL | IP-Enabled Service / VoIP | 1 | — | |
| 6919 | Aquis Communications Inc | Parsippany, NJ | Wireless Carrier | 1 | — | americanmessaging.net |
