A simple PA will do for the State and the computer screening at the postal service will often pick up and often miss Phil or Philly and therefore require hand screening with a time loss of almost nothing to 24 hours when things are back logged.
The abbreviation for the City of Philadelphia is PHL.
Philadelphia is a city, not a state - as such it is not eligible for a state abbreviation.
The anagram is "phial" (archaic form of vial).Also the proper abbreviation Phila. (meaning Philadelphia)
The proper abbreviation for extension is "ext."
The proper abbreviation for kilohertz is kHz.
The proper abbreviation for Sunday is Sun.
The proper abbreviation for Registered Chemist is RCh.
The proper abbreviation title for an attorney is "Esq."
There is no proper abbreviation for the word global. It is often symbolized by a letter G in acronyms. As far as an abbreviation goes, many people use Gl., but this is in no way a proper abbreviation.
The accepted abbreviation is Depr.
there is no abbreviation
The proper abbreviation for the word "confirmed" is "conf."