Dialing Guide
Last Updated: October 31, 2025 10:23:35 AM PDT
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The instructions below explain how to dial on- and off-campus numbers for the UCSD campus, Medical Center (UCSD Medical Center), and VA Medical Center.
| Calling from campus to: | Dial |
|---|---|
| Campus or Pt. Loma extensions | 4XXXX, 2XXXX, or 6XXXX |
| UCSD Medical Center extensions | 3XXXX, 7XXXX, 9XXXX, or 1XXXX |
| UCSD Medical Center off-premises extensions | 15 + 9XXXX |
| VA Medical Center | 133 + XXXX |
| Calling from UCSD Medical Center to: | Dial |
| UCSD Medical Center off-premises extensions | 9XXXX |
| VA Medical Center | 15 + 133 + XXXX |
| UCSD Medical Center extensions | 3XXXX, 7XXXX, 9XXXX, or 1XXXX |
| Special assistance calls | Dial |
| Campus operator | 0 |
| Emergency (campus only) | 911 or 44357 |
| Calling UCSD pagers | Dial |
| UCSD Medical Center pagers (from UCSD Medical Center) more | 137 + XXXX |
| Local and long-distance calls | Dial |
| Local calls | 8 + XXX-XXXX |
| Long-distance calls | 8 + area code + XXX-XXXX |
| International long-distance calls | *6* + Authorization code + #16 + country code + city code + phone number |
| Toll-free numbers | 8 + 8XX + XXX-XXX |