Area code 951
5,931 number blocks indexed across 44 carriers.
States: CA (5,931)
Carriers
| OCN | Company | HQ | Type | Blocks | Recent | Website |
|---|---|---|---|---|---|---|
| 6529 | T-Mobile USA Inc | Bellevue, WA | Personal Communications Service (Wireless) | 1,214 | 83 | t-mobile.com |
| 6010 | New Cingular Wireless PCS LLC | Kirkland, WA | Wireless Carrier | 656 | 83 | att.com |
| 6006 | Cellco Partnership dba Verizon Wireless - CA | Olathe, KS | Wireless Carrier | 655 | 48 | verizonwireless.com |
| 624H | Onvoy Spectrum LLC | Broomfield, CO | Wireless Carrier | 91 | 26 | |
| 649C | Onvoy LLC - CA | Chicago, IL | Competitive Local Exchange Carrier | 739 | 10 | sinch.com |
| 490J | Boost SubscriberCo LLC | Washington, DC | Wireless Carrier | 13 | 8 | dish.com |
| 516C | AT&T Enterprises LLC | San Antonio, TX | IP-Enabled Service / VoIP | 30 | 7 | att.com |
| 373F | Peerless Network of California LLC - CA | Chicago, IL | Competitive Local Exchange Carrier | 77 | 3 | peerlessnetwork.com |
| 145J | Terra Nova Telecom Inc | Lakewood Ranch, FL | IP-Enabled Service / VoIP | 3 | 3 | terranova.net |
| 7139 | Teleport Communications America LLC - CA | Staten Island, NY | Competitive Local Exchange Carrier | 77 | 2 | att.com |
| 7229 | MCImetro Access Transmission Services LLC | Vienna, VA | Competitive Local Exchange Carrier | 81 | 1 | verizon.com |
| 899D | T-Mobile USA Inc | Richardson, TX | Personal Communications Service (Wireless) | 377 | — | metropcs.com |
| 981E | Bandwidth.com CLEC LLC - CA | Cary, NC | Competitive Local Exchange Carrier | 354 | — | bandwidth.com |
| 9740 | Pacific Bell Telephone Company | Dallas, TX | Regional Bell Operating Company | 278 | — | att.com |
| 2319 | Frontier California Inc | Irving, TX | Regional Bell Operating Company | 264 | — | frontier.com |
| 8826 | Level 3 Communications LLC - CA | Westminster, CO | Competitive Local Exchange Carrier | 223 | — | centurylink.com |
| 576C | Time Warner Cable Information Services (California) LLC dba Time Warner Cable - CA | Stamford, CT | Competitive Local Exchange Carrier | 141 | — | level3.com |
| 671J | U.S. Telepacific Corporation dba TPx Communications | Las Vegas, NV | IP-Enabled Service / VoIP | 93 | — | tpx.com |
| 939H | Commio LLC | Austin, TX | IP-Enabled Service / VoIP | 60 | — | commio.com |
| 9262 | Utility Telecom Group LLC - CA | Stockton, CA | Competitive Local Exchange Carrier | 55 | — | utilitytelephone.com |
| 7718 | Level 3 Telecom of California LP - CA | Littleton, CO | Competitive Local Exchange Carrier | 53 | — | centurylink.com |
| 829J | PAETEC iTel LLC | Charlotte, NC | IP-Enabled Service / VoIP | 52 | — | |
| 7240 | MCImetro Access Transmission Services LLC - CA | Vienna, VA | Competitive Local Exchange Carrier | 49 | — | verizon.com |
| 4129 | O1 Communications Inc - CA | Sacramento, CA | Competitive Local Exchange Carrier | 47 | — | tpx.com |
| 776C | Charter Fiberlink CA-CCO LLC - CA | Saint Louis, MO | Competitive Local Exchange Carrier | 40 | — | spectrum.com |
| 073H | Telnyx LLC | Chicago, IL | IP-Enabled Service / VoIP | 38 | — | telnyx.com |
| 965H | Fractel LLC | Indialantic, FL | IP-Enabled Service / VoIP | 30 | — | fractel.net |
| 508J | CenturyLink Communications LLC | Littleton, CO | IP-Enabled Service / VoIP | 23 | — | centurylink.com |
| 707H | Integrated Path Communications LLC - CA | Hillsdale, NY | Competitive Local Exchange Carrier | 17 | — | ipc-llc.com |
| 321J | HD Carrier LLC | Henderson, NV | IP-Enabled Service / VoIP | 14 | — | hdcarrier.com |
| MULT | Multiple OCN Listing | Administrative / Reserved | 14 | — | ||
| 197D | Vonage America LLC | Holmdel, NJ | IP-Enabled Service / VoIP | 12 | — | vonage.com |
| 7480 | Pacific Bell (Competitive) | San Francisco, CA | Competitive Local Exchange Carrier | 12 | — | att.com |
| 516J | Ton80 Communications LLC | Anderson, SC | IP-Enabled Service / VoIP | 11 | — | coretel.net |
| 222H | Local Access Services LLC - CA | Windermere, FL | Competitive Local Exchange Carrier | 10 | — | |
| 857F | MCC Telephony of the West LLC - CA | Middletown, NY | Competitive Local Exchange Carrier | 7 | — | mediacomcc.com |
| 026K | Barr Tell USA LLC | Long Beach, NY | Competitive Local Exchange Carrier | 5 | — | barrtell.com |
| 7379 | Matrix Telecom LLC SII TNCI - CA | Stockton, CA | Competitive Local Exchange Carrier | 5 | — | pacwest.com |
| 7421 | AT&T Local | Bedminster, NJ | Competitive Local Exchange Carrier | 4 | — | att.com |
| 0051 | Shelcomm | Baldwin Park, CA | Wireless Carrier | 2 | — | |
| 252F | Wide Voice LLC - CA | Las Vegas, NV | Competitive Local Exchange Carrier | 2 | — | widevoice.com |
| 318J | Comcast IP Phone LLC | Philadelphia, PA | IP-Enabled Service / VoIP | 1 | — | comcast.com |
| 9748 | American Messaging Services LLC | Lewisville, TX | Wireless Carrier | 1 | — | americanmessaging.net |
| 996H | Airespring Inc | Van Nuys, CA | IP-Enabled Service / VoIP | 1 | — | airespring.com |