99111 Zip code is used for Diamond Area Code City in Whitman County, Washington in Usa. The ZIP Codes / Postal Codes are Used by USPS (United States Postal Service known as “Post Office”, “ Usa Mail”, or” Postal Service”, an independent agency of the United States federal government responsible for providing postal service in the United States). Below is the detail for 99111, Diamond Area Code City.
| Zip Code | : | 99111 |
| City Name | : | Diamond Area Code |
| County Name | : | Whitman County |
| State Name | : | Washington |
| Country Name | : | USA |
| Area Code | : | 509 |
| Time Zone | : | PST |
| Country Code | : | +1 |
| Currency | : | $ USA Dollor |
| ISO Code | : | USA |