About the Marine Physical Laboratory - Directory

Phone numbers are listed as the 5-digit number when dialed from any UCSD location (area code 858). The first number is the prefix and the last 4-digits represents the extension. SPAWAR numbers are also listed with the 3-prefix and last 4-digit extension (area code 619).

To dial numbers from off campus locations:

2XXXX, you must dial (858) 822 + the last 4 digits,

4XXXX, you must dial (858) 534 + the last 4 digits,

3XXXX, you must dial (619) 553 + the last 4 digits.


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