18.ac
Telephone Subscriber Line Number 18
Internet Telephone Number Line or Extension

Phone Number Subscriber Line 18
or
Phone Number Extension 18

ICUC provides Internet Telephone Number (ITN) coverage across most area codes, exchanges and line numbers. Special purpose subscriber number 18 is for user defined shortcuts. Link your web sites to your phone numbers. Let anybody access any site just by knowing your Internet Phone Number (IPN). It's as simple as using your telephone number as your web address:

www.540.375.5118.18.ac
or
801.558.2718.18.ac
or
1.310.545.5618.18.ac
or
Status.639.449.8718.18.ac
or