Can you use serial communication on any digital pin?

Can I control a ssc(serial servo controller) from digital pin 2, an ssc from pin 3 and a serial LCD from pin 4(on an arduino)? If not is the LCD adressable?

http://www.arduino.cc/en/Tutorial/SoftwareSerial

http://www.arduino.cc/en/Reference/Soft … ialExample

http://www.arduino.cc/cgi-bin/yabb2/YaB … 1176181152