Apple Contacts

Query Contacts.app via AppleScript.

Quick Lookups

# By phone (name only)
osascript -e 'tell application "Contacts" to get name of every person whose value of phones contains "+1XXXXXXXXXX"'

# By name
osascript -e 'tell application "Contacts" to get name of every person whose name contains "John"'

# List all
osascript -e 'tell application "Contacts" to get name of every person'

Full Contact Info