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LIST OF AREA CODES [1] Leading digits of NSN (National Significant Number) NSN number length Usage of E.164 number Additional information Maximum length Minimum length 1: 3: 3 Non-geographic number – Short Codes Cannot be dialed from other countries except by bilateral agreement 20: 4: 4 Non-geographic number – Short Codes
Country codes are defined by the International Telecommunication Union (ITU) in ITU-T standards E.123 and E.164. The prefixes enable international direct dialing (IDD). Country codes constitute the international telephone numbering plan. They are used only when dialing a telephone number in a country or world region other than the caller's.
Qatar: 9 +974: 00: Telephone numbers in Qatar Russia: 7 +7: 8~10: Open: Telephone numbers in Russia Saudi Arabia: 9 +966: 00: Telephone numbers in Saudi Arabia Singapore: 6 +65: 001, 002, 008: No area codes: Telephone numbers in Singapore Sri Lanka: 9 +94: 00: Open: Telephone numbers in Sri Lanka Syria: 9 +963: 00: Telephone numbers in Syria ...
2. Enter your location and connection type and click Next. 3. Select your dialing options and click Next. 4. Enter your area code and click Next. 5. Select 2-3 access phone numbers and click Next. Note: You cannot manually type in an access number. An access number can only be selected from the list provided. 6. Confirm your settings and click ...
Mobile phones use geographic area codes. Exchanges may service on mobile devices; local numbers are portable between wired and wireless carriers. While area code 600 has been established as a non-geographic code that can be used by mobile phones, the only significant mobile usage has been for satellite phone service in remote regions.
This is a list of international dialing prefixes used in various countries for direct dialing of international telephone calls.These prefixes are typically required only when dialling from a landline, while in GSM-compliant mobile phone (cell phone) systems, the symbol + before the country code may be used irrespective of where the telephone is used at that moment; the network operator ...
Area codes are also assigned for non-geographic purposes. The rules for numbering NPAs do not permit the digits 0 and 1 in the leading position. [1] Area codes with two identical trailing digits are easily recognizable codes (ERC). NPAs with 9 in the second position are reserved for future format expansion.
Nevertheless, within only five years, 847 was already close to exhaustion from the rapid growth in telecommunication services in the Chicago suburbs and the proliferation of cell phones and pagers. On January 5, 2002, area code 224 was assigned to overlay area code 847. This required ten-digit dialing in all affected communities.