List of Nigerian states and their abbreviations, short form or ISO 3166-2 codes
FC | Abuja
AB | Abia
AD | Adamawa
AK | Akwa Ibom
AN | Anambra
BA | Bauchi
BY | Bayelsa
BE | Benue
BO | Borno
CR | Cross River
DE | Delta
EB | Ebonyi
ED | Edo
EK | Ekiti
EN | Enugu
GO | Gombe
IM | Imo
JI | Jigawa
KD | Kaduna
KN | Kano
KT | Katsina
KE | Kebbi
KO | Kogi
KW | Kwara
LA | Lagos
NA | Nassarawa
NI | Niger
OG | Ogun
ON | Ondo
OS | Osun
OY | Oyo
PL | Plateau
RI | Rivers
SO | Sokoto
TA | Taraba
YO | Yobe
ZA | Zamfara