Well, I don't quite know if I could be able to deceipher 'ELCO1' or 'LMEX1A' But here are the others...
San Andreas Zone List. By Deji:
'SAN_AND' = San Andreas, Bob.
'MARKST' = Market Station. Train Station that goes underground.
'UNITY' = Unity Station. Where to Smoke? - Unity Station.
'PER1' = Pershing Square. That's where LSPD is.
'PLS' = Playa del seville
'CRANB' = Cranberry Station
'CALT' = Calton Heights
'SUNMA' = Bayside Marina
'SUNNN' = Bayside
'BATTP' = Battery Point