564 Area Code
Area code 564 generally covers Thurston, Clark, and Kitsap in the U.S. State of Washington.
Top cities in area code 564
| City | Prefixes |
|---|---|
| Thurston, WA | 26.3% |
| Clark, WA | 21.1% |
| Kitsap, WA | 15.8% |
| Cowlitz, WA | 10.5% |
| Pierce, WA | 10.5% |
| Mason, WA | 5.3% |
| Grays Harbor, WA | 5.3% |
| Lewis, WA | 5.3% |
Top telephone carriers in area code 564
| Carrier | Prefixes |
|---|---|
| Onvoy | 23.8% |
| T-Mobile | 19% |
| Fractel | 19% |
| Terra Nova Telecom Inc. | 14.3% |
| Mcimetro Access Transmission Services | 4.8% |
| Allstream | 4.8% |
| Qwest | 4.8% |
| Magna5 | 4.8% |
| Brightlink Communications | 4.8% |
Area code 564 has 21 prefixes
| Prefix | Primary City | Usage | |
|---|---|---|---|
| 564-200 | Thurston | Magna5 | |
| 564-201 | Thurston | Mcimetro Access Transmission Services | |
| 564-202 | Kitsap | T-Mobile | |
| 564-203 | Brightlink Communications | ||
| 564-204 | Lewis | T-Mobile | |
| 564-208 | Clark | T-Mobile | |
| 564-234 | Pierce | Fractel | |
| 564-240 | Kitsap | Qwest | |
| 564-244 | Cowlitz | T-Mobile | |
| 564-397 | Clark | Allstream | |
| 564-444 | Clark | Fractel | |
| 564-464 | Thurston | Onvoy | |
| 564-465 | Pierce | Fractel | |
| 564-524 | Onvoy | ||
| 564-529 | Thurston | Fractel | |
| 564-544 | Grays Harbor | Onvoy | |
| 564-546 | Mason | Onvoy | |
| 564-654 | Kitsap | Onvoy | |
| 564-777 | Cowlitz | Terra Nova Telecom Inc. | |
| 564-888 | Clark | Terra Nova Telecom Inc. | |
| 564-999 | Thurston | Terra Nova Telecom Inc. |