The 425 area code is a telephone area code serving the suburbs north and east of Seattle in Washington state. To start a free reverse phone lookup, simply enter the full 10-digit number (including the 425 area code) below and access available caller information such as name, address, and more.
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The 425 area code covers the area north and east of Seattle, Washington, including the Eastside suburbs, extending east to North Bend, north to Everett and south to Maple Valley.
Area code 425 is slated to participate in the overlay plan of area code 564. Area code 564 has been active in numbering plan area 360 since 2017.
Area code 425 is a General Purpose Code which was placed in service on January 1, 1947.
Our reverse phone lookup will analyze the three-digit prefix of any 425 area code phone number and will show which telecommunications company and rate center it was initially assigned to. This prefix code data may help to determine the U.S. carrier, Washington geographic region, and local calling area associated with the phone number.
| Company | Number of Prefixes |
|---|---|
| ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER | 123 |
| QWEST CORPORATION | 68 |
| T-MOBILE USA, INC. | 51 |
| ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 40 |
| LEVEL 3 COMMUNICATIONS, LLC - WA | 36 |
| NEW CINGULAR WIRELESS PCS, LLC | 32 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 29 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - WA | 27 |
| ONVOY, LLC - WA | 23 |
| XO WASHINGTON, INC. | 19 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 11 |
| GLOBAL CROSSING LOCAL SERVICES, INC. - WA | 10 |
| LEVEL 3 TELECOM OF WASHINGTON, LLC - WA | 9 |
| SPRINT SPECTRUM, L.P. | 9 |
| CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK | 8 |
| AT&T - LOCAL | 7 |
| COMCAST IP PHONE, LLC | 7 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WA | 4 |
| MCLEODUSA TELECOMMUNICATION SERVICES, INC. - WA | 3 |
| USA MOBILITY WIRELESS, INC. | 3 |
| BANDWIDTH.COM CLEC, LLC - WA | 2 |
| CENTURYLINK COMMUNICATIONS, LLC | 2 |
| WIDE VOICE, LLC - WA | 2 |
| PEERLESS NETWORK OF WASHINGTON, LLC - WA | 1 |
| TELNYX LLC | 1 |
| Rate Center | Number of Prefixes |
|---|---|
| BELLEVUE | 149 |
| EVERETT | 106 |
| KIRKLAND | 73 |
| BOTHELL | 49 |
| RENTON | 47 |
| HALLS LAKE | 42 |
| ISSAQUAH | 25 |
| SILVERLAKE | 15 |
| MAPLE VLY | 10 |
| NORTH BEND | 5 |
| CARNATION | 2 |
| FALL CITY | 2 |
| AMES LAKE | 1 |
| SNOQUMPASS | 1 |
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