Is there a standard webpage resolution for mobile phones?

Question

Most designers use 1024x768 as a baseline for website development. That allows them to use css grid systems like 960 & blueprint to easily outline content. Is there simila

Answer 1

320 by 480 is the common screen resolution for new mobile devices.

iPhone Website Compatibility

Android Display Metrics

That being said if you want to support the majority of mobile devices, you may want to support multiple resolutions.