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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.
On May 1, 1993, the management and assignment of toll-free numbers transitioned from the interim 800 NXX Plan to a 10 digit management plan in the national 800 Service Management System (SMS/800). On January 25, 1995, INC designated the 888 Numbering Plan Area (NPA) code as the next area code for use in providing toll-free service.
Mobile virtual network operators (MVNOs) in the United States lease wireless telephone and data service from the four major cellular carriers in the country—AT&T Mobility, Boost Mobile, T-Mobile US, and Verizon—and offer various levels of free and/or paid talk, text and data services to their customers.
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.
Here's a list of scammer phone numbers and area codes to avoid answering if you don't know exactly who's calling. ... 877 numbers are toll-free numbers often used by businesses and organizations ...
Spy Dialer is a free reverse phone lookup service that accesses public databases of registered phone numbers to help users find information on cell phone and landline numbers and emails.
The carrier performs a database lookup using the caller's telephone number to obtain the name information for the caller ID service. If the data is with another carrier, then the terminating carrier must perform a lookup and pay a small dip fee to the carrier hosting the information. [ 4 ]
Free database download Active project Data license Comment Cell Spotting 0.1 million [2] 667 no CC0: Combain Mobile >140 million [3] >240 >1700 >131 billion no yes Supports GSM, CDMA, UMTS, LTE and NR via API. [4] LocationAPI.org 157.89 million [5] 240 1712 25 billion no yes Supports WiFi, GSM, CDMA, UMTS and LTE technologies via its API.