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Local phone numbers have either 5, 6 or 7-digits. In 7-digit numbering they are usually grouped as BBB BBBB, 6-digit numbers are grouped BBB BBB and 5-digit numbers are normally all grouped together BBBBB Grouping of numbers is not strictly adhered to, but usually fairly consistent.
In the UK, letters were assigned to numbers in a similar fashion to North America, except that the letter O was allocated to the digit 0 (zero); digit 6 had only M and N. The letter Q was later added to the zero position on British dials, in anticipation of direct international dialing to Paris, which commenced in 1963.
Four-digit area codes have either six-digit subscriber numbers or a mix of five- and six-digit subscriber numbers. (01xxx) xxx xxx; This is the format used by most areas. It has a four-digit area code (after the initial zero) and a six digit subscriber number, and is known as 4+6 format.
BBB has warned in the past about a scam on Facebook Marketplace where scammers posed as buyers and requested a seller’s phone number and six-digit code to “verify the seller is real.”
During the 1950s, cities still using five or six-digit numbers converted to the new method of seven-digit dialing. Typically, several six-digit (2L-4N) exchanges were co-located in one building already, with new ones added as old ones had filled up. After the conversion, they may have been combined into a new 2L-5N exchange area.
Mobile phones use geographic area codes (two digits): after that, all numbers assigned to mobile service have nine digits, starting with 6, 7, 8 or 9 (example: 55 15 99999–9999). 90 is not possible, because collect calls start with this number.
The differences between the prefixes are the length of the number (six or ten digits), the license cost to use them each year (approximately A$1 for 1800 and 1300, A$10,000 for 13 numbers) and the call cost model. 1300 numbers [8] and 13 numbers share call costs between the caller and call recipient, whereas the 1800 model offers a national ...
Short codes are six or eight digits in length, [4] starting with the prefix "19" followed by an additional four or six digits and two. [citation needed] Communications Alliance Ltd and WMC Global are responsible for governing premium and standard rate short codes in Australia. Transactional and Subscription services require a double sms MO opt ...