Eastern's zip code is 19087 for "travel" search engines.
Best Western: King of Prussia
Marriott Courtyard: Valley Forge
Comfort Inn: Valley Forge
Residence Inn: Valley Forge
Crowne Plaza: Valley Forge
Radisson: Valley Forge
Hampton Inn: King of Prussia
Holiday Inn Express: King of Prussia
The Wayne Hotel
Marriott Couryard: Devon
Also check out Philadelphia area tourist attractions.
*10% discount when you mention "Eastern."