Search results
Results from the WOW.Com Content Network
Malicious caller identification, introduced in 1992 as Call Trace, [1] also called malicious call trace or caller-activated malicious call trace, is activated by the vertical service code *57 ("star fifty-seven"), and is an upcharge fee subscription service offered by telephone company providers which, when dialed immediately after a malicious call, records metadata for police follow-up.
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.
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 good news is that scam callers will often show up under common area codes for incoming calls. Here are 19 area codes you should never answer if you don’t know who’s on the other end.
Missed calls were adopted as a method of mobile permission marketing, known as missed call marketing (MCM). [13] MCM campaigns take advantage of how cellular providers may offer unlimited incoming calls and text messages : advertisements contain an instruction for customers to place a missed call at a specific number. [ 4 ]
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 ...
Access codes; Country code +227: International access: 00: Long-distance: ... 57 XX XX: 96 57 XX XX 58 XX XX: 96 58 XX XX ... Emergency calls: CELTEL, SAHELCOM ...
Access codes; Country code +225: International access: 00: ... +225 27 xx xx xx xx calls from outside Ivory Coast to a landline ... 57: 8 digits: Orange - Côte d ...