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A list of names, addresses, and phone numbers written by hand on a sheet of paper is a flat-file database. This can also be done with any typewriter or word processor . A spreadsheet or text editor program may be used to implement a flat-file database, which may then be printed or used online for improved search capabilities.
Calls to Kenya and Uganda require a regional prefix rather than having to use full international dialling. To call Kenya from Tanzania, subscribers dial 005 instead of +254, while to call Uganda, they dial 006 rather instead of +256.
For example, to dial a landline number in Indore, one would have to dial from a landline in Indore: the phone number; from a landline in Mumbai: 0731 and then the phone number; from any mobile phone in India: 0731 and then the phone number; from outside India: +91, then 731, and then the phone number
1. Under Views, click Contacts. 2. Click Add a new contact icon . 3. Enter the contact's info. 4. Click Save.
The presentation of a telephone number with the plus sign indicates that the number should be dialed with an international calling prefix, in place of the plus sign. The number is presented starting the country calling code. This is called the globalized format of an E.164 number, and is defined in the Internet Engineering Task Force RFC 2806. [6]
Before 1993, telephone numbers would consist either of a two-digit area code and a six-digit subscriber number in cities and large towns, for example, (02) 412702 in Oslo, [1] or a three-digit area code and a five-digit subscriber number in smaller towns, for example, (034) 83000 in Larvik.
For special number ranges, formerly ten digits were used, but the initial '0' was dropped. [1] These changes made that nine digits were used for all calls after 1999. [1] Before 1999 Portugal Telecom controlled Portugal's entire landline telephone network. [2]
Telephone numbers listed in 1920 in New York City having three-letter exchange prefixes. In the United States, the most-populous cities, such as New York City, Philadelphia, Boston, and Chicago, initially implemented dial service with telephone numbers consisting of three letters and four digits (3L-4N) according to a system developed by W. G. Blauvelt of AT&T in 1917. [1]