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SLAC National Accelerator Laboratory

Phone Numbers for Beam Lines and Other User Labs / Services

The local area code for SSRL is 650. All numbers listed below should be dialed as 650-926-xxxx from other area codes.  When calling an onsite location from within SSRL simply dial the 4-digit extension. When calling an offsite number within the 650 area code dial, dial 9 plus the 7-digit number. To call a number in another area code dial 9-1-area code - phone number.
Beam LinesUser Labs/Services
BLExt BldgLab / Service Ext
1-45214 120 Control Room3707
1-55215 120User Reception Lobby 4039
2-15221 120Mail Room4941
2-25222120 Kitchen/User Lounge4666
2-35223 120Stock Room2031
3-35233 120Machine Shop2029
3-4 5234120Vacuum Pump Shop2147
4-15241 120 User Lounge at BL9 5219
4-25242 120SMB User Sample Prep Lab3447
4-35243 131 SMB User Sample Prep Lab 3865
5-25252131 MES User Sample Prep Lab 4195
5-35253131 User Computer Room3925
5-45254 131User Vacuum Clean Room3880
6-25262 131 Kitchen/User Lounge3862
7-15271Meeting Rooms
7-2 52721203rd Floor3118
7-35273 1372nd Floor 3047
8-152811373rd Floor (large) 4686
8-252821373rd Floor (small) 2217
9-15291040

Orange Room (see map)

2582
9-2 5292Fax Numbers
9-35293 120Mail Room3600
10-1 5101137Office Machine Room4100
10-25102 Other Numbers
11-18648Main Gate/Security2551
11-28650Gate 172137
11-3 8656 Gate 302240
12-2 5212
13-1 5131
13-2 5132
13-3 5133


2575 Sand Hill Road, MS: 99, Menlo Park, California, 94025, USA Tel: 650-926-4000 | Fax: 650-926-4100