Area code 425
4,583 number blocks indexed across 41 carriers.
States: WA (4,583)
Carriers
| OCN | Company | HQ | Type | Blocks | Recent | Website |
|---|---|---|---|---|---|---|
| 6529 | T-Mobile USA Inc | Bellevue, WA | Personal Communications Service (Wireless) | 940 | 37 | t-mobile.com |
| 5812 | Cellco Partnership dba Verizon Wireless - WA | Olathe, KS | Wireless Carrier | 457 | 37 | verizonwireless.com |
| 6010 | New Cingular Wireless PCS LLC | Kirkland, WA | Wireless Carrier | 419 | 20 | att.com |
| 7146 | Teleport Communications America LLC - WA | Staten Island, NY | Competitive Local Exchange Carrier | 201 | 11 | att.com |
| 006F | Bandwidth.com CLEC LLC - WA | Cary, NC | Competitive Local Exchange Carrier | 139 | 3 | bandwidth.com |
| 490J | Boost SubscriberCo LLC | Washington, DC | Wireless Carrier | 6 | 2 | dish.com |
| 732J | NUSO LLC | University City, MO | IP-Enabled Service / VoIP | 4 | 2 | brightlink.com |
| 147L | Accelerate Networks LLC | Seattle, WA | Competitive Local Exchange Carrier | 2 | 2 | |
| 318J | Comcast IP Phone LLC | Philadelphia, PA | IP-Enabled Service / VoIP | 177 | 1 | comcast.com |
| 159F | Peerless Network of Washington LLC - WA | Chicago, IL | Competitive Local Exchange Carrier | 74 | 1 | peerlessnetwork.com |
| 5562 | T-Mobile USA Inc | Dallas, TX | Personal Communications Service (Wireless) | 62 | 1 | metropcs.com |
| 145J | Terra Nova Telecom Inc | Lakewood Ranch, FL | IP-Enabled Service / VoIP | 1 | 1 | terranova.net |
| 483E | Onvoy LLC - WA | Chicago, IL | Competitive Local Exchange Carrier | 537 | — | sinch.com |
| 4324 | Ziply Fiber Northwest LLC dba Ziply Fiber | Rochester, NY | Incumbent Local Exchange Carrier | 339 | — | ziply.com |
| 6121 | Level 3 Communications LLC - WA | Westminster, CO | Competitive Local Exchange Carrier | 285 | — | centurylink.com |
| 7173 | Electric Lightwave LLC dba Allstream | Portland, OR | Competitive Local Exchange Carrier | 208 | — | allstream.com |
| 9638 | Qwest Corporation | Minneapolis, MN | Regional Bell Operating Company | 183 | — | centurylink.com |
| 7229 | MCImetro Access Transmission Services LLC | Vienna, VA | Competitive Local Exchange Carrier | 170 | — | verizon.com |
| 7274 | MCImetro Access Transmission Services LLC - WA | Vienna, VA | Competitive Local Exchange Carrier | 47 | — | verizon.com |
| 2408 | CenturyTel of Washington Inc dba CenturyLink | Monroe, LA | Incumbent Local Exchange Carrier | 43 | — | centurylink.com |
| 7455 | Level 3 Telecom of Washington LLC - WA | Littleton, CO | Competitive Local Exchange Carrier | 41 | — | centurylink.com |
| 624H | Onvoy Spectrum LLC | Broomfield, CO | Wireless Carrier | 40 | — | |
| 829J | PAETEC iTel LLC | Charlotte, NC | IP-Enabled Service / VoIP | 24 | — | |
| 508J | CenturyLink Communications LLC | Littleton, CO | IP-Enabled Service / VoIP | 23 | — | centurylink.com |
| 939H | Commio LLC | Austin, TX | IP-Enabled Service / VoIP | 22 | — | commio.com |
| 965H | Fractel LLC | Indialantic, FL | IP-Enabled Service / VoIP | 22 | — | fractel.net |
| 073H | Telnyx LLC | Chicago, IL | IP-Enabled Service / VoIP | 19 | — | telnyx.com |
| 321J | HD Carrier LLC | Henderson, NV | IP-Enabled Service / VoIP | 15 | — | hdcarrier.com |
| 516J | Ton80 Communications LLC | Anderson, SC | IP-Enabled Service / VoIP | 14 | — | coretel.net |
| 663D | Eltopia Communications LLC - WA | Eltopia, WA | Competitive Local Exchange Carrier | 14 | — | eltopia.com |
| MULT | Multiple OCN Listing | Administrative / Reserved | 14 | — | ||
| 197D | Vonage America LLC | Holmdel, NJ | IP-Enabled Service / VoIP | 11 | — | vonage.com |
| 937F | Astound Broadband LLC - WA | Kirkland, WA | Competitive Local Exchange Carrier | 10 | — | astound.com |
| 577F | Ringsquared Telecom LLC | Seattle, WA | Competitive Local Exchange Carrier | 4 | — | |
| 707G | Wide Voice LLC - WA | Las Vegas, NV | Competitive Local Exchange Carrier | 4 | — | widevoice.com |
| 7340 | XO Washington Inc | Reston, VA | Competitive Local Exchange Carrier | 4 | — | verizon.com |
| 427K | Ziply Fiber Northwest LLC dba Ziply Fiber | Kirkland, WA | Competitive Local Exchange Carrier | 2 | — | ziply.com |
| 598J | Five9 InC | San Ramon, CA | IP-Enabled Service / VoIP | 2 | — | five9.com |
| 839J | EON Telecom Inc | Bellingham, WA | IP-Enabled Service / VoIP | 2 | — | |
| 495J | Stratus Networks Inc | Peoria Heights, IL | IP-Enabled Service / VoIP | 1 | — | stratusnet.com |
| 6630 | Spok Inc | Plano, TX | Wireless Carrier | 1 | — | spok.com |