XYZ Portal Coordinates:
000 (Lab Facility #493)
001 (Old Lab)
002 (Rusty Pit)
003 (Happy Room)
004 (Lab Loop)
006 (Stone Loop)
007 (James Bond Room)
010 (Tri-Gem Room)
011 (Clockwork Corridor)
012 (Zodiac Room)
013 (Unlucky Room)
020 (Quiet Party Room)
023 (Meaningfull Room)
024 (Clock Room)
031 (Calendar Room)
032 (Lava Room)
034 (Underground Ruins)
036 (Room X)
042 (Answer Room)
043 (Glowing Sphere Tomb)
051 (Ouroboros Tunnel)
052 (Card Room)
061 (Inverted Room)
076 (Road Room)
081 (Czesch Room)
090 (Buried Room)
094 (Winter Island)
095 (Reliquarium)
100 (Subbot Research Room)
101 (LOL Room)
102 (Lighthouse Memorial Room)
103 (Ancient Ruins)
104 (Ancient Section)
105 (Infernal Section)
111 (Lab's Central)
123 (Stair Room)
127 (Jagged Chasm)
128 (Subnet Editing Center)
157 (Laser Room)
166 (Guitar Room)
185 (Paired Gem Room)
192 (Stone Room)
193 (Globe Room)
205 (Basement Corridor)
212 (Time Loop)
215 (Memories Room)
218 (Church)
225 (Azure Room)
232 (Kent Falls Room)
235 (Prime Room)
241 (Searchlight Room)
245 (Cake Loop)
255 (Apiary)
257 (Testing Room)
258 (Nazca Room)
268 (Cave Cliffs)
277 (Radio Lab)
280 (Collapsed Building)
291 (Sanctuary)
303 (Red Chamber)
304 (Lighthouse Basement)
311 (Energy Spheres Section)
313 (Jatsko Room)
314 (PI Room)
316 (Winter Room)
317 (Mover Room)
318 (Quadrant Room)
321 (Subnet Racing Course)
322 (Subliminal Arts Studio)
324 (Secret PI Room)
342 (Lighthouse Subbot Storage)
346 (Dark Basement)
349 (T-Shirt Production Room)
352 (Warfare Room)
355 (Murtaugh's Communication Room)
360 (Round Room)
365 (New Year Room)
378 (Ziggurat)
399 (Stalagmite Room)
404 (Error Room)
411 (Escher Room)
412 (Relativity Room)
420 (Weed Room)
423 (Reference Room)
442 (Pit)
452 (Statue)
456 (Wet Dungeon)
461 (Sewers)
462 (Lighthouse Digouts)
472 (Listeners Room)
477 (Safe)
481 (Lost Door)
495 (Death Room)
499 (Subbot Armory)
500 (Information Center)
512 (Turret Chain)
523 (Twins Room)
525 (Library)
528 (Einstein's Playroom)
529 (Basement Section)
541 (Observation Center)
550 (Lighthouse Dungeon)
551 (Brick Room)
552 (Root)
553 (Root Extention)
554 (Dungeon Root)
555 (Violet Loop)
577 (Easter Egg Room)
580 (End Ruins)
596 (Annex)
601 (Zero Depths)
613 (Left Chasm)
614 (Right Chasm)
628 (Study)
632 (Death Ray Room)
642 (Clockwork Room)
666 (Hell)
672 (New Basement)
673 (Outer Chasm)
681 (Lotus Dungeon)
688 (Explosive Storage)
690 (Looping Traps)
710 (Testing Chamber)
712 (Watch Station)
713 (Exterior Peak)
717 (Mesoamerican Chambers)
728 (Lucky Room)
731 (Jay Room)
747 (Corridor)
757 (Turret Trap)
770 (Tomb Trap)
777 (Barracks)
783 (Roentgen Industries, Submachine Repository)
788 (Radiotower Camp)
800 (Ship)
801 (Shipwreck)
806 (Cliffs)
808 (Steampunk Hideout)
815 (Lost Plane)
822 (Minaret)
826 (Vurn Room)
837 (UVB-76 Room)
842 (Altar Rooftop)
859 (Collector's Room)
875 (Prison Cells)
888 (Cube Loop)
902 (Vista)
906 (Mainframe Exit)
911 (Emergency Room)
912 (ID Terminal)
917 (Looping Sphere)
920 (Love Room)
923 (Singularity Room)
927 (Solitary Confinement)
947 (Gem Harvester)
966 (Altar)
986 (Light Void Room)
987 (Broken Clock Room)
992 (Excavation Site)
999 (Final Room)
Sub-Coordinates:
2K1 (???) (Space Defense Corridors)
AWY (731) (Dimensional Tomb)
BLH (???) (Observatory Ship)
BLK (???) (Blaki Challenge Room)
BOR (???) (Garden Border)
BRK (461) (Watcher's Outpost)
BTN (411) (Lustrous Ladder)
CAN (???) (Canister Storage)
CAT (806) (Resin Room)
CHA (???) (Chair Room)
CHM (104) (Stele's Chambers)
CHR (001) (Snowy Room)
CIR (???) (Circle Ruins)
CMP (???) (Computer Lab)
CS6 (???) (Void Room)
CTR (???) (Control Center)
CUB (???) (Cube Ruins)
DOR (???) (Edge Dormitory)
DUN (???) (Dungeon Loop)
FLW (???) (Resin Queen)
FMA (462) (Light Bridge)
FSH (???) (Submerged Observatory)
GLX (614) (Observatory)
HL3 (???) (Abandoned Warehouse)
HOK (???) (Slaughterhouse)
HPL (378) (Photographer's Quarters)
I47 (???) (Shattered Corridor)
ICO (???) (Icon Rooms)
IXT (043) (Ixtab's Chambers)
JAR (???) (Jar Room)
JSU (???) (Golgotha)
JUL (001) (Contrast Room)
KAR (552) (Gate Sewer)
KLP (???) (Junkyard)
KOL (103) (Resin Temple)
LCR (731) (Pyramideon)
LOP (???) (Metal Loop)
MAT (???) (Mateusz Contacting Room)
MLP (051) (Pony Room)
MNR (???) (Broken Manor)
MNT (291) (Mountain)
MOS (???) (Moss Basement)
OBS (???) (TopBall Observation Complex)
OTT (104) (Lamp Tunnel)
OXT (HPL) (Small Island)
PEK (???) (Karmic Peak)
PIP (???) (Pipe Engine)
PLN (???) (Planetarium)
PND (???) (Temple Pound)
POR (???) (Portable Portal Vault)
PRI (???) (Prithvi's Chambers)
PTL (192) (Cake Room)
PTR (???) (Patreonist's Room)
PYR (???) (Pyramid Ruins)
RCR (404) (Watchtower)
RDF (???) (Mound Corridor)
SBL (128) (Rabbit Hole)
SKT (???) (Tronvan Hideout)
STR (???) (Star Palace)
TEL (???) (Telescope Peak)
TML (???) (Lighthouse Terminals)
TRV (???) (Tronvan Study)
TWR (???) (Digouts Tower)
V12 (258) (Lattice Room)
WIQ (966) (Quiet Rooms)
WRT (442) (Spike Room)
WTC (???) (Water Palace)
YEL (???) (Yellow Observatory)
ZEP (???) (Parallel Serpentarium)
ZWO (232) (Tree Trunk Section)
This is all I can recollect, not added descriptions yet of course, I'll make these when porting to Pastel Wikia.
Many of those are based in Mentioned Non-Existing Coordinates (Like 257, mentioned in Zerpentos Theory, or CHR, the Chair Room Sublevel mentioned in one of his stories), or artwork (Like those from Jatsko for example).