title: 443 (disambiguation)
text: # 443 (disambiguation)
  
  The number 443 may refer to:
  
  * 443 AD
  * 443 BC
  * 400 (number) § 443
  * Area code 443, in the state of Maryland
  * MP-443 Grach, a Russian pistol
  * TCP port 443, the default port for HTTPS network traffic
  