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115 – Civil services (Bürgertelefon); requests are either answered directly or forwarded to the competent authority in the caller's region. The caller can access local government services and book appointments at government offices. [5][6] 116 xxx – Harmonised services of social value. 118 xx – Directory assistance.
These area codes were changed in February 1997 in order to allow service 0900 numbers: 9002 → 09090 Rain (Lech) 9003 → 09080 Harburg (Schwaben) 9004 → 09070 Tapfheim. 9005 → 09084 Bissingen (Schwaben) 9006 → 09078 Mertingen. 9007 → 09097 Marxheim. 9008 → 09089 Bissingen-Unterringingen. 9009 → 09099 Kaisheim.
Short code. Short codes, or short numbers, are short digit-sequences—significantly shorter than telephone numbers —that are used to address messages in the Multimedia Messaging System (MMS) and short message service (SMS) systems of mobile network operators. [1] In addition to messaging, they may be used in abbreviated dialing.
A transaction authentication number (TAN) is used by some online banking services as a form of single use one-time passwords (OTPs) to authorize financial transactions. TANs are a second layer of security above and beyond the traditional single-password authentication. TANs provide additional security because they act as a form of two-factor ...
Worldwide distribution of country calling codes. Regions are coloured by first digit. Country calling codes, country dial-in codes, international subscriber dialing (ISD) codes, or most commonly, telephone country codes are telephone number prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks.
User being asked to dial a number or a send a message which helps the server identify that the number is genuine and valid. With the advent of smartphones, type 0 or type 1 SMS are also being employed to send the codes which are used to verify the genuine user. Soft tokens generated within the smartphone or push messages can also be used.
In the United Kingdom, these are over 600 area code or local exchange codes 01 & 02 numbers which can be set up as virtual numbers as well as the 0800 & 0345. Sms confirmation allows you to make sms confirmation without giving your phone number to social media platforms, sites and mobile applications that you do not want to share your phone ...
E.164 is an international standard (ITU-T Recommendation), titled The international public telecommunication numbering plan, that defines a numbering plan for the worldwide public switched telephone network (PSTN) and some other data networks. E.164 defines a general format for international telephone numbers.