University of Maryland, College Park exchanges (314-XXXX, 405-XXXX, 226-XXXX)Dial the last five digits of the telephone number. |
University 403 exchange (403-XXXX numbers)Dial 9, and upon hearing the dial tone, dial the area code and the complete seven-digit number. |
UM systemDial 9. Upon hearing the dial tone, dial the area code and the complete seven-digit number. |
MD/DC/VA local callsDial 9. Upon hearing the dial tone, dial the area code (e.g. 301, 202, or 703) and the complete seven-digit number. |
Long distance callsDial 9. Upon hearing the dial tone, dial 1, then the area code and the desired seven-digit number. |
Toll-free callsDial 9. Upon hearing the dial tone, dial 1 followed by 800, 888, 866 or 877 and the desired seven-digit number. |
International callsDial 9. Upon hearing the dial tone, dial 0 11 followed by the country code, followed by the city code (if applicable), followed by the complete seven-digit number. For International dialing codes, visit International Dialing Codes and Dial Rules. |
Collect and third numberDial 9. Upon hearing the dial tone, dial 0 for billed calls. The operator will then assist you with your call. NOTE: University telephones do not accept collect or third number billed calls. 900 or 976 numbers cannot be reached from university telephones. |
Operator/directory-Assisted calls
NOTE: AT&T gives procedural assistance and cannot place or connect a long distance campus call without the user having an AT&T calling card. |
Calling cardDial 9. Upon hearing the dial tone, dial 0, then the desired telephone number. Wait for the prompt, then dial your calling card number. |
DirectoriesCampus directories: Please contact University Advancement, University Communications Office at 301.405.4615 for copies of this directory. Verizon directories: Please contact the Service Desk at 301.405.1000 or via e-mail (with the subject line Verizon Directories) to obtain copies of the specific directory you need. |