In the following listings, "xxx" means that the same number is used as a constantly busy number in many different prefixes. In most of these, there are some exchanges that ring busy and some exchanges that are in normal use. ALWAYS test these numbers at least three times during normal business hours before using as a constantly busy number.
NPA Telephone Number Geography
213 xxx-1117 Los Angeles, CA 213 xxx-1118 Los Angeles, CA 213 xxx-1119 Los Angeles, CA 213 xxx-9198 Los Angeles, CA 216 xxx-9887 Akron/Canton, Cleveland, Lorain, and Youngstown, OH 310 xxx-1117 Long Beach, CA 310 xxx-1118 Long Beach, CA 310 xxx-1119 Long Beach, CA 310 xxx-9198 Long Beach, CA 501 377-99xx AR 518 571-xxxx Albany, NY 714 xxx-1117 Anaheim, CA 714 xxx-1118 Anaheim, CA 714 xxx-1119 Anaheim, CA 714 xxx-9198 Anaheim, CA 717 980-xxxx Harrisburg, Scranton, and Wilkes Barre, PA 818 xxx-1117 Pasadena, CA 818 xxx-1118 Pasadena, CA 818 xxx-1119 Pasadena, CA 818 xxx-9198 Pasadena, CA 860 525-7078 Hartford, CT