ZIP Codes ...
While some people have used a ZIP code to identify a community, the purpose of the ZIP code was to make mail delivery more efficient by grouping addresses together. Although the ZIP Code doesn't specifically identify a community like Silver Lake, it does identify addresses that are in (or near) Silver Lake. It's important to remember that the boundaries of a ZIP Code are defined by the needs of the USPS and can be changed, re-assigned or overlapped with other ZIP Codes.
The ZIP code for Silver Lake: 98645<1>
Referenced GNIS Records ...
GNIS ID #1508354 (Name of Record: Silver Lake)
Class: populated place
A place or area having clustered or scattered buildings and a permanent population (such as a city, settlement, town or village). The boundaries may or may not coincide with the perceived population.
A 'populated place' record may have a corresponding 'census' or 'civil' record. The information contained in the 'populated place' record applies only to the class and should not be confused with either the 'census' and 'civil' classes.
Map Name: Silver Lake
Lat: 46.297334 Lon: -122.8106679 [Map]
Elev: 158 ft.
Referenced FIPS Records ...
FIPS Code: 53/64400 (Place Name: Silver Lake)
County: Cowlitz (FIPS State/County: 53/015)
Identifies a populated place (ie- Silver Lake) that is wholly or substantially located outside the boundaries of any incorporated place or CDP (Census Designated Place) that has an authoritative common name recognized by the U.S. Geological Survey (USGS).
GSA Code: 2015