Announcements
 
 
 
 
 

 

Resident Associate and House Phone Numbers

Who are the Resident Associates?

House Phone Numbers:

Please note that the South Houses no longer have alley phones because each room has its own extension.

 


Campus Extension Telephone Dialing Instructions (top)

To another campus extension: dial the 4 digit extension
To a JPL extension: 777 + 5 digit extension
Dialing in the 626 (local, formerly 818) area code: 9 + telephone number
Dialing in the 818, 213, or 310 area codes: 9 + 1 + area code + telephone number
Dialing all other area codes:
Using a long-distance access code:
9 + 1 + area code + telephone number (wait for special tone) 6 digit access code. The access codes can be obtained through the telecommunications office in Dabney Hall.

Using the Caltech operator:
dial 0, and provide telephone number and account number to operator.
When dialing a campus extension from outside lines, use the prefix 395 with area code 626 if required (e.g., extension 6188 is 626.395.6188).

All four-digit numbers below are campus extensions.

Avery House (top)
Room(s)/Alley Phone Number
North lounge, first floor 3364
South lounge, first floor 3394
North lounge, second floor 3379
South lounge, second floor 3395

 

Lloyd House (top)
Room(s)/Alley Phone Number Room(s)/Alley Phone Number
Lounge 6180 210-217/Fingal's Cave 1170
112-119/Valhalla 1168 219-225/KAOS 1169
129-134/Tropic Alley 6180 226-233/Purple 3775
205-209/Virgin Islands 1169

 

Page House (top)
Room(s)/Alley Phone Number Room(s)/Alley Phone Number
Lounge 6181 133(Computer Room) 1746
101-108/One 3774 201-209/Five 1174
109-115/Two 1172 210-217/Six 1175
127-145/tdree 1173 232-241/Eight 1176

 

Ruddock House (top)
Room(s)/Alley Phone Number Room(s)/Alley Phone Number
Lounge 6182 127-138/Berkeley South 1184
101-110/Pandemonium 1183 216-235/Margaritaville 1185
112-127/Grand Central 3776 236-244/Trojan 1186

 

Marks House (top)
Room(s)/Alley Phone Number Room(s)/Alley Phone Number
103-107 6078 209-222 6086
203(Computer Room) 1707

 

Caltech Department of Institute Housing
1200 E. California Blvd. 160-86
Pasadena, CA 91125

Click Here to Email Housing

main number:
maintenance:
fax: 
626.395.6176
626.395.6175
626.584.7161
       

UPDATED FOR SUMMER: Hours of Operation (until 9/14):
Monday - Thursday: 7:30 AM - 6 PM
Friday: 8:00 AM - 5:00 PM

July 2nd: Open 8:00 AM - 2:00 PM
July 3rd and 4th (Institute Holiday): Closed
Labor Day Week: Closed 9/1. Open 9/2 - 9/5, 8:00AM - 5:00 PM