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 Country Code site.