Thanks to the 3 main contributors of this thread and also to the smaller contributions made by other bros. Credit goes fully to them for taking the effort to put together all this information.
Bronzegod for the cat150 phone numbers and opening times
halogen019 for putting together the cat150 links
ffun161 for putting together the cat40/50/60/80/100 links
Links to interesting Threads
GL 150cats FRs
CAT 150- Big Boobs FRs - Natural D cup and above pls
Frenching PRC
Actresses in Geylang
Community Rating of cat $150 WLs (社群点评)
Meetup Thread
$150 Brothels - Telephone - Opening time
Lorong 8
H19
House Thread : x : 12pm - 12am
Lorong 14
H29
House Thread : 67445557 : 12pm - 12am
H31
House Thread : 67441295 or 67475731??? : 12pm - 11pm
Lorong 16
H6
House Thread : 67419691 : 12pm - 11pm
H6A
House Thread : 68484383 : 12pm -12pm
H8
House Thread : 67417226 : 12pm -12am
H10
House Thread : 67472664
H12
House Thread : 67473994 : 12pm - 12am
H15
House Thread : 91282962/67442084 : 12pm - 11pm
H17
House Thread : 67477733
H39
House Thread : 6841-3736 : 12pm - 12am
H49
House Thread : 67449035 : 1pm - 1am
H51
House Thread : 6841 9502 : 12pm - 12am
H54A
House Thread : 67449916 : 12pm -12am
H67
House Thread : 67441148
H69
House Thread : 68446236
WesterHout
H4
House Thread : 67441212 : 12pm -12am
H6
House Thread : 6744-1488 : 12pm - 11pm
H12
House Thread : 6744-6402 : 12pm -12am
H15
House Thread : 6744-6242 : 12pm - 11pm
H17
House Thread : 6744-1818 : 4pm -4am
H19
House Thread : 66485147 : 12pm -12am
Lorong 18
H3
House Thread : 6749 9902
H5
House Thread : 6744-2123 : 12pm -12am
H7
House Thread : 68413441 : 2.30pm - 2.30am
H9
House Thread : 67428918
H17
House Thread : 68446282 : 4pm -4am
H56
House Thread : 6842-6133
Lorong 20
H33
House Thread : 68419474 or 67441946 : 12pm -12am
H40
House Thread : 68415516 : 11am-11pm
H41
House Thread : 67440929 : 1pm - 1am
H45
House Thread : 67482994 : 12pm -11pm
H47
House Thread : 67447880 : 12pm - 11pm
H58
House Thread : 68413683 : 12pm - 12am
H62
House Thread : 67499907, 67499908
H62A
House Thread : 6744-7641 : 12pm - 12am
Lorong 24
H9
Lorong 28
H31A
House Thread : 6846-1661 : 1pm -1am
Lorong 30
H33
House Thread : 67447408