Caltech University Customer Care No.

Website

https://www.caltech.edu/

Email's

help@caltech.edu (For Student Support)
directory@caltech.edu (For audio-visual services)
departmental_directory@caltech.edu (For Update Departmental Directory Information)

Contact Information

Ph: (626)-395-6811
Contact Support Ways
For assistance with using access.caltech, please contact the IMSS Help Desk via phone (ext. 3500), e-mail (help@caltech.edu), or in person (204 Central Engineering Services (building 85), 8 a.m. to 5 p.m., Monday through Friday).

Calling Instructions

Services	Details
Switchboard Hours:	Monday through Friday: 7:00 a.m. to 8 p.m..
Campus Operator:	Dial 0.
Campus Calls:	Dial four-digit extension number.
Emergencies:	Dial 5000. See inside front cover of the Personnel Directory for instructions. Do not use 911.
Outgoing Calls:	Area code 626: Dial 9 + phone number. Area codes 818, 213, 323, 562 & 310: Dial 9 + 1 + area code + phone number. Note: All outgoing calls to area other than those listed above require a Caltech authorization code or a personal calling card. Otherwise, they must be made collect or billed to a third party.
Calling With An Authorization Code:	An Authorization Code allows on-campus users to make long-distance calls and have them billed to a department or student account. All domestic area codes: Dial 9 + 1 + area code + phone number. Wait for a dial tone, then enter your six-digit authorization code. International calls: Dial 9 + 011 + country code/city code + phone number + # sign. Wait for a dial tone, then enter your six-digit authorization code.
Calling Without An Authorization Code But With A Credit Card:	Dial 9 + 1 + toll free number on the back of the calling card. Continue by following the instructions on the card.
Calls To JPL Via Tie Line:	Dial 777 + five-digit extension number.
Calls To Campus From JPL Via Tie Line:	Dial 161 + four-digit extension.
Directory Assistance (Off Campus):	If unsuccessful, dial 9 + 411.
Operator Assistance (Off Campus):	AT&T: Dial 9 + 00. All other carriers: Dial 9 + carrier's five-digit code + 0.
Repairs:	To request telephone repairs, dial ext. 4742.
Installations And Relocations:	Dial ext. 4735.

Telephone Directory

Sl No.	Department	Extension	Mail Code
1	Academic Media Technologies	4657
2	Accounting — See Financial Services	2588
3	Accounts Payable — See Procurement Services	8900
4	Admissions
5	Advancement and Alumni Relations 202 Parsons-Gates
6	Aeronautics — See Engineering & Applied Science	4750	105-50
7	Alumni Fund — See The Caltech Fund	6323	5-32
8	Andrew and Peggy Cherng Department of Medical Engineering — See Engineering & Applied Science	8462	136-93
9	Applied & Computational Mathematics — See Engineering & Applied Science	4555	217-50
10	Applied Mechanics — See Engineering & Applied Science	4271	104-44
11	Applied Physics — See Engineering & Applied Science	8124	128-95
12	Archives (the Caltech Archives) — See Library	2704	015A-74
13	Art Program — See Performing & Visual Arts	3295	2-67
14	Associated Students of Caltech, Incorporated (ASCIT) 15 Student Activities Center bod@donut.caltech.edu	3083	64-58
15	Associates of Caltech — See The Associates	3919	5-32
16	Astronomical Observatories — See Physics, Mathematics & Astronomy
17	Astronomy — See Physics, Mathematics & Astronomy	4671	249-17
18	Athenaeum 551 S. Hill Ave. Switchboard: 626-395-8200 Fax: 626-795-0869 (24 hrs.) or 626-356-0784	8200	1-61
19	Athletics, Physical Education, & Recreation Braun Athletic Center & Scott Brown Gymnasium	6146	1-2
20	Audio Visual Services (Academic Media Technologies) — See Academic Media Technologies	4657
21	Audit Services & Institute Compliance 565 S. Wilson Ave. asicweb@caltech.edu		250-64
22	Baby Furniture Pool	584-9773	104B-6
23	Beckman Institute		139-74
24	Behavioral Biology — See Research Centers	6806	216-76
25	Benefits — See Total Rewards	6443	161-84
26	Big Bear Solar Observatory (BBSO) 40386 North Shore Ln., Big Bear City, CA 92314 909-866-5791, Fax: (909) 866-4240
27	Biochemistry & Molecular Biophysics — See Chemistry & Chemical Engineering	6446	147-75
28	Biology and Biological Engineering		156-29
29	Board of Control	6200	210-87
30	Board of Trustees, Office of the 204 Parsons-Gates, Fax: 449-9374		204-31
31	Broad Café — See Dining Services	5806	100-96
32	Bursar's Office — See Financial Services	2988	120-87
33	Business & Finance 212 Parsons-Gates		212-31
34	California Association for Research in Astronomy (CARA) — See Keck (W. M.) Observatory	808-885-7887
35	California Tech	6153/6154	40-58
36	Caltech Alumni Association 345 S. Hill Ave.	6592	1-97
37	Caltech Center for Inclusion & Diversity (CCID) Fax: 626-395-1736	6207	255-86
38	Caltech Entrepreneurs Forum	5759	210-85
39	Caltech History and Architectural Tour Service (CHATS) email: chats.caltech@gmail.com
40	Caltech Management Association
41	Caltech Optical Observatories (COO) — See Physics, Mathematics & Astronomy	4003	11-17
42	Caltech Store Hameetman Center, 1st Floor; Hours: M–F, 9:00 a.m.–5:30 p.m. citbook@caltech.edu	6161	1-51
43	Caltech Submillimeter Observatory — See Astronomical Observatories	4278	301-17
44	Caltech Women's Club cwclub@caltech.edu		104B-6
45	Caltech Y 505 S. Wilson Ave., Bldg. 128, Tyson House Fax: 626-395-8890 Hours: M–F, 9 a.m.–5 p.m.	6163	C1-128
46	Campus Event Productions — See Campus Event Productions
47	Campus Life — See Student Activities and Programs	6174	160-86
48	Campus Programs — See Public Programming
49	CARA — See Keck (W. M.) Observatory	808-885-7887
50	Card Services Open a ticket: cardoffice@caltech.edu	6169	160-86
51	Career Advising and Experiential Learning (CAEL) 310 Center for Student Services career@caltech.edu	6361	310-87
52	Carnegie Observatories 813 Santa Barbara St., 91101 (Offices, shops, labs, plate files) Fax: 795-8136		249-17
53	Cashier — See Financial Services	6263	117-15
54	Catering (Athenaeum) — See Athenaeum
55	Catering (Dining Services) — See Dining Services
56	Center for Data-Driven Discovery (CD3) Powell-Booth Laboratory	4970	158-79
57	Center for Teaching, Learning, & Outreach (CTLO) 360 Center for Student Services ctlo@caltech.edu	8427	369-87
58	Central Engineering Services	4887	105-85
59	Central Warehouse 391 S. Holliston Ave.	4891	1-85
60	Chajnantor Test Facility — See Astronomical Observatories	56-55-851267	249-17
61	Chandler Dining Hall — See Dining Services	8926	1-52
62	Chemistry & Chemical Engineering
63	Child Care Assistance Program (CCAP) — See Human Resources	8055	209-85
64	Child Educational Center (CEC) 140 Foothill Blvd., La Cañada 91011 Fax: (818) 393-4243	818-354-3418	CEC-610
65	Children's Center at Caltech (CCC) 1200 E. California Blvd., Pasadena, CA 91125	6860	C1-133
66	Civil Engineering — See Engineering & Applied Science	4271	104-44
67	Commuter Services — See Security & Parking Services	8877	200-63
68	Computation & Neural Systems — See Engineering & Applied Science	8817	136-93
69	Computer Science — See Engineering & Applied Science	3034	305-16
70	Computing and Mathematical Sciences — See Engineering & Applied Science	3034	305-16
71	Condensed Matter Physics — See Physics	2933	114-36
72	Conference Rooms
73	Control & Dynamical Systems — See Engineering & Applied Science	4140	107-81
74	Controller & Accounting Offices — See Financial Services	2588
75	Convenience Store — See Dining Services	8012	1-52
76	Cooperative Preschool at Caltech 250 & 256 South Michigan Avenue, Pasadena, CA 91106	818-354-3418	CEC-610
77	Corporate Affiliates, Corporate Relations — See Development	3969	5-32
78	Credit Union (Caltech Employees Federal Credit Union) 515 S. Wilson Ave., Fax: 395-5799 Loan Department Fax: 568-9536 (M–Th, 9 a.m.–4 p.m.; F, 8:30 a.m.–4 p.m.)	6300	100-63
79	Dark Matter & Dark Energy Observation & Instrumentation — See Physics	6608	367-17
80	Dean of Graduate Studies Office (Graduate Office) 230 Center for Student Services, Fax: 577-9246 gradofc@caltech.edu	6346	230-87
81	Dean of Undergraduate Students Office 210 Center for Student Services, Fax: 577-4215	6351	210-87
82	Defense Contract Audit Agency
83	Development — See Advancement and Alumni Relations		5-32
84	Development and Institute Relations — See Advancement and Alumni Relations
85	Digital Media Services — See Information Management Systems & Services (IMSS)	5999
86	Dining Services (626) 395-2900		1-52
87	Disbursements — See Procurement Services	3098	114-6
88	Diversity Center — See Caltech Center for Inclusion & Diversity (CCID)
89	Earthquake Hotline	3003
90	Earthquake Programs, Office of (Earthquake Research Affiliates, ERA) 535 S. Wilson Ave., Fax: 626-584-1242	6318	252-21
91	Einstein Papers Project 363 S. Hill Ave., Fax: 449-0814 epp@einstein.caltech.edu	8044	20-7
92	Electrical Engineering — See Engineering & Applied Science	4838	136-93
93	Emergencies-Day or Night-Dial 5000
94	Employment Office — See Human Resources	6565	153-84
95	Employment Verification — See Staff Services	8300
96	Engineering & Applied Science 155 Gates–Thomas, Fax: 626-395-2134	4101	155-44
97	Environmental Health and Safety 1200 East California Blvd., Pasadena, CA 91125 Fax: 577-6028	6727	B125-6
98	Environmental Science & Engineering — See Geological & Planetary Sciences	8731	131-24
99	Equity and Title IX Office equity@caltech.edu		205-87
100	Export/Import Compliance — See Office of Research Policy	2641	201-15
101	External Relations
102	Facilities
103	Faculty & Postdoctoral Scholar Services — See Scholar Services	6586	153-84
104	Faculty Records — See Provost's Office	6310	02-31
105	Fellowships Advising & Study Abroad Office 319 Center for Student Services, Fax: 395-8096	2150	319-87
106	Financial Aid Office 383 S. Hill Ave., 2nd floor, Fax: 564-8136 finaid@caltech.edu	6280	20-90
107	Financial Services 1200 E. California Blvd., fax: 626-395-5944		234-6
108	Food Services & Catering (Athenaeum) — See Athenaeum
109	Food Services & Catering (Dining Services) — See Dining Services
110	GALCIT — See Aerospace Department (Graduate Aerospace Laboratories, GALCIT)	4750	105-50
111	Geochemistry — See Geological & Planetary Sciences	6921	100-23
112	Geological & Planetary Sciences	6123	170-25
113	Gifts & Giving — See Development
114	Government Relations — See External Relations	6256	08-31
115	Graduate Aerospace Laboratories — See Aerospace Department (Graduate Aerospace Laboratories, GALCIT)	4750	105-50
116	Graduate Office — See Dean of Graduate Studies Office (Graduate Office)	6346	230-87
117	Graduate Student Council (GSC) gscbod@caltech.edu
118	Graphic Resources B128 Keith Spalding Building Fax: 626-796-3696
119	Health Physicist's Office — See Environmental Health and Safety	6727	25-6
120	High Energy Physics — See Physics	4116	256-48
121	Hillel, Caltech
122	Hixon Writing Center (HWC) writing@caltech.edu	3706	369-86
123	Honor System
124	Housing 160 Center for Student Services, Fax: 584-7161	6176	160-86
125	Howard Hughes Medical Institute Office — See Biology and Biological Engineering	3178	156-29
126	Human Resources 399 S. Holliston Ave. HR Customer Service Hotline: 626-395-3300 Employment Verification 626-395-8300, Fax 626-395-2809	3300
127	Humanities & Social Sciences Fax: 626-405-9841	4065	228-77
128	Immigration Advising by the International Offices
129	Information Management Systems & Services (IMSS) 367 S. Holliston Ave. Suite 204 Central Engineering Services - Building 85 Help Desk: 626-395-3500 Fax: 626-395-8948		200-85
130	Information Science & Technology (IST) — See Engineering & Applied Science
131	Infrared Astronomy — See Physics	2933	301-17
132	Infrared Processing & Analysis Center (IPAC) — See Physics	1919	100-22
133	Institute for Quantum Information (IQI)-See Engineering & Applied Science; also Physics, Math. & Astro.	4964	107-81
134	Insurance
135	Intellectual Property — See Office of the General Counsel	4568	201-85
136	International Offices
137	Investment Office 551 S. Wilson Ave., Fax: 449-6853	4853	2-42
138	JPL Store — See Caltech Store	818-354-6120	JPL 114-104
139	Kavli Nanoscience Institute (KNI) — See Engineering & Applied Science	1547	107-81
140	Keck (W. M.) Observatory 65-1120 Mamalahoa Hwy, Kamuela, HI 96743, Fax: (808) 885-4464	808-885-7887
141	Keck Institute for Space Studies (KISS)	6630	C1-127
142	Kellogg Radiation Laboratory — See Nuclear Physics	4513	106-38
143	Kerckhoff Marine Laboratory — See Biology and Biological Engineering	6294	4697
144	Mail Services 102 & 104 Keith Spalding Bldg., Fax: 792-1627		104-6
145	Materials Science — See Engineering & Applied Science	4411	138-78
146	Mathematical Physics — See Physics	3744	253-37
147	Mathematics — See Physics, Mathematics & Astronomy	3817	253-37
148	Mechanical Engineering — See Engineering & Applied Science	4107	104-44
149	Music Program — See Performing & Visual Arts	3295	2-70
150	NASA Exoplanet Science Institute (NExScI) — See Physics	1860	100-22
151	Notaries By Appointment Only
152	Nuclear Physics	4513	106-38
153	Numerical Relativity — See Physics	4280	350-17
154	Observational Cosmology — See Physics	6608	367-17
155	Observatories — See Astronomical Observatories
156	Office of Earthquake Programs — See Earthquake Programs, Office of (Earthquake Research Affiliates, ERA)	8734	5-32
157	Office of Laboratory Animal Resources (OLAR) Access restricted to campus only
158	Office of Research Administration 1200 E. California Blvd.; Fax: 626-395-3144		273-6
159	Office of Research Policy
160	Office of Residential Experience (ORE) — See Office of Residential Experience (ORE)
161	Office of Strategic Communications (OSC) Mail Code 12-71: 315 S. Hill Ave. • Fax: 626-395-8831 Mail Code 15-6: 1200 E. California Blvd. • Fax: 626-395-1721
162	Office of Technology Transfer and Corporate Partnerships (OTTCP) Caltech Hall 6th floor, Fax: 626-356-2486		6-32
163	Office of the General Counsel Campus General Counsel Fax: (626) 796-4282 Campus CSS Fax: (626) 395-6841 JPL Fax: (818) 393-6759
164	Officers of the Faculty	2888	139-74
165	Optical Observatories — See Astronomy	4003	11-17
166	Owens Valley Radio Observatory — See Astronomical Observatories	760-938-2075	249-17
167	Palomar Observatory — See Astronomical Observatories	4003	11-17
168	Parking Office — See Security & Parking Services	8877	200-63
169	Passport Card — See Procurement Services
170	Patents & Copyrights — See Office of the General Counsel
171	Payroll — See Financial Services	8668
172	Performing & Visual Arts 305 S. Hill Ave., Fax: 585-9284	3295	2-70
173	Physical Education — See Athletics, Physical Education, & Recreation	6146	1-2
174	Physics, Mathematics & Astronomy
175	Planetary Sciences — See Geological & Planetary Sciences	6112	150-21
176	Planning, Design & Construction — See Planning, Design & Construction		2-83
177	Post Office — See Mail Services	6371	104-6
178	Postdoctoral Scholar Services — See Scholar Services	6586	153-84
179	President, Office of the 204 Parsons-Gates Fax: 626-449-9374		204-31
180	Procurement Services 101 Keith Spalding Bldg.	8900	103-6
181	Project Accounting — See Office of Research Administration		219-15
182	Property Services — See Financial Services	4181	211-15
183	Provost's Office 206 Parsons-Gates		206-31
184	Public Events — See Public Programming
185	Quantum Information & Computation (QUIC) — See Quantum Optics	8342	12-33
186	Quantum Optics — See Physics	8342	12-33
187	Radiation Safety — See Environmental Health and Safety
188	Radio Astronomy — See Astronomy	4973	249-17
189	Receiving and Shipping — See Shipping & Receiving	4893	1-85
190	Record Retention Center — See Procurement Services	6644	28-6
191	Records
192	Recycling — See Facilities	4738	2-83
193	Red Door Café — See Dining Services	6158	1-52
194	Registrar's Office 125 Center for Student Services, Fax: 395-6121 regis@caltech.edu	6354	125-87
195	Rental Listing Services	866-766-0767
196	Resident Associates
197	Resnick Sustainability Institute ResnickInfo@caltech.edu	5956	132-80
198	Safety — See Environmental Health and Safety
199	Secretary of the Board of Trustees — See President, Office of the	6304	204-31
200	Security & Parking Services 515 S. Wilson Ave., Fax: 626-578-7268	4701	200-63
201	Seismological Laboratory — See Geological & Planetary Sciences	6919	252-21
202	Shipping & Receiving 391 S. Holliston Ave.	4893	1-85
203	Society of Women Engineers swe@caltech.edu		104-44
204	Space Astrophysics — See Physics	6611	278-17
205	Space Radiation — See Physics	6611	290-17
206	Spitzer Science Center (SSC) — See Physics	8000	314-6
207	Sponsored Research — See Office of Research Administration	6357	201-15
208	Staff & Faculty Consultation Center (SFCC) (An Employee Assistance Program) 315 S. Hill Ave. (rear), Fax: 626-792-9917	8360	5-71
209	Stockroom 391 S. Holliston Ave.	4720/4680	1-85
210	Strategy Implementation	8371
211	Student Activities and Programs 160 Center for Student Services, Fax: 584-7161	6174	160-86
212	Student Affairs For more information, see	6100
213	Student Aid — See Financial Aid Office	6280	110-87
214	Student Shop	6450
215	Student Wellness Services 1239 Arden Rd. • Phone: 626-395-8331 • Fax: 626-585-1522		1-8
216	Student-Faculty Programs Office (SURF, Amgen Scholars, WAVE Fellows, and other summer undergraduate research programs) 315 S. Wilson Ave. Fax: 389-5467 sfp@caltech.edu	2885	1-122
217	Submillimeter Astronomy — See Physics	6608	301-17
218	SURF (Summer Undergraduate Research Fellowships) — See Student-Faculty Programs Office	2885	1-122
219	TACIT — See Theater Arts at Caltech (TACIT)	6259/3696	1-67
220	Telecommunications	5995	111-10
221	Theater Arts at Caltech (TACIT) — See Performing & Visual Arts	6259/3696	1-67
222	Theoretical Astrophysics & Relativity (TAPIR) — See Physics	4280	350-17
223	Theoretical High Energy Physics — See Physics	6685	452-48
224	Thirty Meter Telescope (TMT) — See Astronomical Observatories	2115	102-8
225	Ticket Office 1200 E. California Blvd. Lobby sales & information: (626) 395-4652 group sales: (626) 395-3834 fax: (626) 395-1721 events@caltech.edu
226	Tournament Park — See Facilities
227	Tours, Campus
228	Transportation Services — See Facilities	4703/4704	34-83
229	Travel — See Procurement Services
230	Trustees, Board of — See Board of Trustees, Office of the	6304	204-31
231	Undergraduate Admissions Office 383 S. Hill Ave., Fax: 626-683-3026	6341	10-90
232	Undergraduate Government — See Associated Students of Caltech, Incorporated (ASCIT)
233	United States Geological Survey 525 S. Wilson Ave.	583-7823	1-39
234	Vending Machines Services vending@caltech.edu
235	Warehouse — See Stockroom	4720/4680	1-85
236	Worker's Compensation — See Disability & Leave Administration	4577	168-84
237	Y, Caltech — See Caltech Y	6163	5-62

Registrar Contact Details

Ph: 626-395-6354 (Mon - Fri -9 am to 12 pm)
Mon - Fri (1 pm to 5 pm)
Email: regis@caltech.edu
Fax: 626-395-6121

Library Contacts Details

Email: library@caltech.edu
Ph: 626-395-3405
Check for more information

Auditoriums, Conference Rooms, and Lecture Halls

Building Name	Room	Capacity	Extension No.
Arms	Sharp Lecture Hall	134	6123
Baxter	Lecture Hall	296	4206
Baxter	Ramo Auditorium	371	4696
Beckman Auditorium		1150	4696
Beckman Institute Auditorium		200	2794
Bridge	114	25	4633
Cahill	Hameetman Auditorium	149	4973
Dabney	Lounge	230	1724
Guggenheim	200	15	4750
Hill Annex	383	40	3326
Kerckhoff	119	174	6354
Moore	139	18	4715
Mudd, South	Salvatori Seminar Room	55-60	6123
New Media Classroom		25	4657
Noyes	147	84	6099
Noyes	153	140	6099
Sloan	151	88	4335
Spalding Lab	102	25	4115
Spalding Lab	Auditorium, Room 106	100	4115
Winnett	Lounge	144	6188
For audio-visual services, call Academic Media Technology at 626-395-4657.

Student Houses

Name	Extension No.
Resident Associates
Avery	3344
Blacker	6389
Dabney	6385
Fleming	6403
Lloyd	6334
Marks/Braun	8302
Page	6313, 2442
Ricketts	6479
Ruddock	6379
Off-Campus Resident Associates
1170 Del Mar Blvd.	3818
150 Chester Ave.	8304
Catalinas	8256
Avery Faculty in Residence
Prof. Athanassios (Thanos) Siapas	3350
Prof. Erik Snowberg	3349
Prof. Jonas Zmuidzinas	2615
Emergencies: To contact a staff member after hours, call Security at ext. 4701

JPL/Campus Shuttle Service

Depart Oak Grove	San Pasqual and Holliston	Arrive Oak Grove
7:45 a.m.	8:05 a.m	8:30 a.m.
8:37 a.m.	8:57 a.m.	9:17 a.m.*
9:37 a.m.	9:57 a.m.	10:17 a.m.
10:24 a.m.	10:44 a.m.	11:04 a.m.
11:11 a.m.	11:31 a.m.	11:51 a.m.
11:58 a.m.	12:18 p.m.	12:38 p.m.
12:45 p.m.	1:05 p.m.	1:25 p.m.
1:32 p.m.	1:52 p.m.	2:12 p.m.*
2:32 p.m.	2:52 p.m.	3:12 p.m.
3:19 p.m.	3:39 p.m.	3:59 p.m.
For further information, call (818) 393-2966 or (818) 354-8513

Address

California Institute of Technology
Pasadena, California 91125
1200 E. California Blvd.,
Pasadena, CA 91125.
Fax: 626-795-1547