University of Maryland, College Park Exchanges (314-XXXX, 405-XXXX, 226-XXXX)
Dial the desired five-digit extension (last five digits of the telephone number).
University 403 Exchange (403-XXXX numbers)
Dial 80. When you hear the continuous tone, dial the last four digits of the telephone number. Or, dial 9, and upon hearing the dial tone, dial the area code and the complete seven-digit number.
UM System
Dial 9. Upon hearing the dial tone, dial the area code and the desired seven-digit number.
MD/DC/VA Local Calls
Dial 9. Upon hearing the dial tone, dial the area code (e.g. 301, 202, or 703) and the desired seven-digit number.
Long Distance Calls
Dial 9. Upon hearing the dial tone, dial 1, then the area code and the desired seven-digit number.
Toll-Free Calls
Dial 9. Upon hearing the dial tone, dial 1 followed by 800, 888, 866 or 877 and the desired number.
International Calls
Dial 9. Upon hearing the dial tone, dial 0 11 followed by the country code, followed by the city code (if applicable), followed by the telephone number.
For International dialing codes, see: http://dialcodesplus.com.
Collect and Third Number
Dial 9. Upon hearing the dial tone, dial 0 for billed calls. The operator will then assist you with your call. 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 Card
Dial 9. Upon hearing the dial tone, dial 0, then the desired telephone number. Wait for the prompt, then dial your calling card number.
Directories
Campus Directories: Please contact University Advancement, University Communications Office at 301.405.4615 for copies of this directory.
Verizon Directories: Please contact Campus Information Services at 301.405.1000 or via email (with the subject line Verizon Directories) to obtain copies of the specific directory you need.