Abbr. in some addresses 3 letters

Crossword clues for Abbr. in some addresses 3 letters

Answer	Clue
SIG	Italian term of address: Abbr.
STE	Part of an office building address: Abbr.
RFD	Backwoods address abbr.
RTE	Rural address abbr.
GPO	Address abbr.
APO	General mailing address?: Abbr.
RFD	Address abbr.
APO	Address abbr.
APT	Urban address abbr.
RDS	Address abbrs.
APO	Service address: Abbr.
ERL	Internet address: abbr.
APO	Army address: Abbr.
STE	Office address abbr.
MME	Title of address: Abbr.
APT	Address abbr.
APO	Military address (abbr.)
RFD	Country address: Abbr.
HTS	Lofty address abbr.
MDM	Title of address: Abbr.
SER	A type of address: Abbr.
MME	Form of address: Abbr.
URL	Web address: Abbr.
STE	Address abbr. that removes less than half the letters of the word, so I don't understand the point of abbreviating it like that
STE	Complex address abbr.
RTE	Address abbr.
SEN	D.C. address (abbr.)
STS	Addresses: Abbr.
MME	Nice address: Abbr.
ENV	It needs to be addressed: Abbr.
AVE	Postal address abbr.
IRS	Return address? (abbr.)
RFD	Rustic address abbr., once
STE	Corporate address abbr.
STE	Business address abbr.
IPS	Computer addresses: Abbr.
IPS	Online addresses: Abbr.
URL	Modern address: Abbr.
APO	Mil. address abbr.
URL	Internet address: abbr.
SER	Sunday address: Abbr.
STE	Small business address abbr., maybe
MME	Part of a French address (abbr.)
HON	Title of address: Abbr.
SRA	Overseas address: Abbr.
APO	Soldier's address: Abbr.
RFD	Farm address abbr.
STE	Corporate high-rise address abbr.
AVE	Address abbr.
APT	Mailing address abbr.