The 206 area code is a telephone area code serving Seattle and most of its innermost suburbs in the U. To start a free reverse phone lookup, simply enter the full 10-digit number (including the 206 area code) below and access available caller information such as name, address, and more.
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Area code 206 covers Seattle and its innermost suburbs. This includes suburbs such as Shoreline and Lake Forest Park; Mercer, Bainbridge, and Vashon Islands; and portions of metropolitan Seattle from Des Moines to Woodway.
Area code 206 will be converted to an overlay complex with area code 564 on June 10, 2025. Area code 564 also overlays 360. Ten-digit dialing has been mandatory for all of Washington west of the Cascades since 2017.
Area code 206 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 206 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 |
|---|---|
| QWEST CORPORATION | 237 |
| T-MOBILE USA, INC. | 79 |
| NEW CINGULAR WIRELESS PCS, LLC | 52 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 50 |
| ONVOY, LLC - WA | 46 |
| ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 24 |
| LEVEL 3 COMMUNICATIONS, LLC - WA | 24 |
| USA MOBILITY WIRELESS, INC. | 20 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - WA | 18 |
| XO WASHINGTON, INC. | 16 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 13 |
| GLOBAL CROSSING LOCAL SERVICES, INC. - WA | 8 |
| METROPCS, INC. | 7 |
| PEERLESS NETWORK OF WASHINGTON, LLC - WA | 6 |
| AMERICAN MESSAGING SERVICES, LLC | 5 |
| LEVEL 3 TELECOM OF WASHINGTON, LLC - WA | 5 |
| COMCAST IP PHONE, LLC | 4 |
| MCLEODUSA TELECOMMUNICATION SERVICES, INC. - WA | 4 |
| ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER | 4 |
| BANDWIDTH.COM CLEC, LLC - WA | 3 |
| MAGNA5 LLC | 3 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WA | 3 |
| AT&T - LOCAL | 2 |
| CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK | 2 |
| YMAX COMMUNICATIONS CORP. - WA | 2 |
| AIRUS, INC. - WA | 1 |
| CENTURYLINK COMMUNICATIONS, LLC | 1 |
| ELTOPIA COMMUNICATIONS, LLC - WA | 1 |
| INTRADO COMMUNICATIONS, LLC | 1 |
| NUSO, LLC | 1 |
| ONVOY SPECTRUM, LLC | 1 |
| RCLEC, INC. - WA | 1 |
| TELNYX LLC | 1 |
| TELTRUST CORPORATION - WA | 1 |
| VONAGE AMERICA LLC | 1 |
| Rate Center | Number of Prefixes |
|---|---|
| SEATTLE | 594 |
| BAINBDG IS | 18 |
| DES MOINES | 17 |
| RICHMNDBCH | 13 |
| VASHON | 5 |
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