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)
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, followed by #.
For International dialing codes, visit International Dialing Codes and Dial Rules.