Toll-free phone numbers begin with any of the following three-digit codes: 800, 888, 877, 866, 855 or 844. Toll free is considered to mean any phone number that can be dialed without a charge to complete the call. More » Technology Mobile

Area codes can be found for free online via a number of different websites. All Area Codes provides a free listing of area codes for every location in the United States. Other websites that provide free area code listing... More » Government & Politics Public Records

Many websites provide free lists of area codes, such as, and lists all U.S. area codes on a map of the United States. lists area cod... More » Government & Politics Public Records
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Phone calls made to landline phone numbers starting with a different three-digit area code than the number of the phone line initiating the call are likely to be placed outside of the phone's local area. Some exceptions ... More » Technology Mobile

Short codes work similar to phone numbers when used on a mobile network, and callers input the numbers before pressing Send to identify the SMS message recipient. Because mobile phones codes do not require a set quantity... More » Technology Mobile

Many users can keep their existing phone numbers when switching to Verizon, though the company states that a variety of factors can prevent a number from being ported. The Verizon website allows a user to see if her phon... More » Technology Mobile

There are several ways to block specific phone numbers from calling a cell phone including caller ID management software built into phones, phone apps that can block specific and unidentified number and third-party servi... More » Technology Mobile