Telephone number verification information

Telephone number verification (or validation) services are online services used to establish whether a given telephone number is in service. They may...

individual or organization. A number of websites, for example social media websites, offer account verification services. Verified accounts are often visually...

known as the National Telephone Numbering Plan, which is the system for assigning telephone numbers to subscriber stations. Telephone numbers are of variable...

endpoints in national telephone numbering plans. In examples, a numeric digit is used only if the digit is the same in every number, and letters to illustrate...

The North American Numbering Plan (NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the...

Where B is the dialing zone (where the number is located), Y is 2 to 8 (or 9 for pay phones),[failed verification] and X is any digit. Each department belongs...

telephone numbering plan describes the allocation of telephone numbers in New Zealand and the Pitcairn Islands. By the 1970s, New Zealand's telephone...

achieve limited Sybil attack resistance, such as telephone number verification, credit card verification, or even based on the IP address of a client. These...

Telephone numbers in Switzerland are defined and assigned according to the Swiss telephone numbering plan administered by the Swiss Federal Office of Communications...

telephone number must be prefixed with the destination area code. A fixed dialing plan requires to dial all digits of the complete telephone number,...

A telephone keypad is a keypad installed on a push-button telephone or similar telecommunication device for dialing a telephone number. It was standardized...

A virtual number, also known as direct inward dialing (DID) or access numbers, is a telephone number without a directly associated telephone line. Usually...

Telephone number mapping is a system of unifying the international telephone number system of the public switched telephone network with the Internet...

Telephone numbers in the United Arab Emirates (UAE) follow a closed telephone numbering plan. The UAE is assigned an international dialing code of +971...

(where N is the carrier code) followed by the distant country code and telephone number. Calling into Korea: +82 XX XXXX YYYY. The leading "0" is dropped when...

same as the account number), and they may be given or set up their own password (under various names) for customer verification. Customers would call...

within Hong Kong. The telephone number for emergency services – Police, Fire Service and Ambulance – is 999 for all telephone lines. These numbers can...

ring. When answered, the exchange plays a verification tone. The verification tone is issued so that telephone subscribers cannot easily use the ringback...

Telephone numbers in Turkey went from six (2+4) to seven digits (3+4) local phone numbers c.1988, at which time Ankara went from 41 to 4. There used to...

provide any direct telephone account verification. Yet another form of check verification is to cross reference the ABA routing transit number, also called...

Telephone numbers in the Philippines follow an open telephone numbering plan and an open dial plan. Both plans are regulated by the National Telecommunications...

digits long. The way to split the numbers is defined in the National Numbering Plan as XXXXX-NNNNN. Here, XXXXX identifies the network operator and the...

enquiry to the police To verify that a police officer is genuine The 101 system determines the caller's location based on the telephone exchange or cell tower...

dialing. It is used when initiating a telephone call to transmit the destination telephone number to a telephone exchange. On the rotary dial, the digits...

A telephone prefix is the first set of digits after the country, and area codes of a telephone number. In the North American Numbering Plan countries (country...