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Short codes, or short numbers, are short digit-sequences—significantly shorter than telephone numbers—that are used to address messages in the Multimedia Messaging System (MMS) and short message service (SMS) systems of mobile network operators. [1] In addition to messaging, they may be used in abbreviated dialing.
Toll-free telephone numbers in the NANP are regulated by the Code of Federal Regulations (CFR) Part 52 Section 101. RespOrgs assign the numbers in the SMS/800 database. SMS/800, Inc. administers this database as the Number Administration and Service Center, as a subcontractor for the Federal Communications Commission (FCC).
The state of California was divided into three numbering plan areas (NPAs) with distinct area codes: 213, 415, and 916, for the southern, central, and northern parts of the state, respectively. [ 1 ] In 1950, the boundaries of the numbering plan area were redrawn to produce a division of the northern and central parts along a north–south ...
A broad division is commonly recognized between closed and open numbering plans. A closed numbering plan, as found in North America, features fixed-length area codes and local numbers, while an open numbering plan has a variance in the length of the area code, local number, or both of a telephone number assigned to a subscriber line. The latter ...
To determine the SMS gateway domain, e.g., txt.att.net, may require research - but most users know who their carrier is. The telephone number in this example for a US number is expressed as ten (10) digits, without the country code (1) and without dashes or other separator characters when composing the email address.
The site enables you to find more than just reverse lookup names; you can search for addresses, phone numbers and email addresses. BestPeopleFinder gets all its data from official public, state ...
The Short Message protocol itself is defined by 3GPP TS 23.040 for the Short Message Service - Point to Point (SMS-PP), [2] and 3GPP TS 23.041 for the Cell Broadcast Service (CBS). [3] Four MAP procedures are defined for the control of the Short Message Service: [1] Mobile Originated (MO) short message service transfer;
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.