Base Operator and Information:
661-277-1110 or DSN 527-1110
The area code for Edwards and the surrounding area — Rosamond, Lancaster, Palmdale, Mojave, Tehachapi, Bakersfield and
Gorman — is 661. For California City and Boron it’s 760. Phone prefixes for Edwards include 277 and 275 for work centers, 276 for NASA Armstrong and 258 for the housing areas and dormitories. The Defense Switched Network, or DSN, prefix is 527 for commercial 277 numbers and 525 for commercial 275 numbers. When dialing from base phones established with a 277 or 275 prefix, you can dial 7 or 5 digits (i.e., 275 or 5, 277 or 7) and the last four digits of the destination number.