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Map of LATAs in the US. Local access and transport area (LATA) is a term used in U.S. telecommunications regulation.It represents a geographical area of the United States under the terms of the Modification of Final Judgment (MFJ) entered by the United States District Court for the District of Columbia in Civil Action number 82-0192 or any other geographic area designated as a LATA in the ...
Associated with 950-XXXX calling; instead of a local telephone number the user enters 950 and 4 additional digits which identify the long-distance carrier. Operation is similar to the local access numbers (feature group A) except that the 950-XXXX access number is the same in every community, NANP-wide. [3]
Local telephone numbers were lengthened to a standard seven digits in all of the largest markets in 1958 to accommodate US-style direct-dial equipment (Montréal and Toronto previously had 2L+4N six-digit local calling; smaller communities had four or five digits).
As a result, number pooling was piloted in 2001 as a system for allocating local numbers to carriers in blocks of 1,000 rather than 10,000. Because of the then design of the switched telephone network, this was a considerable technical obstacle. Number pooling was implemented with another technical obstacle, local number portability.
1. Check phone line for dial tone, and line quality. 2, Redial. 3. Select a different access number(s). Access Numbers work better with certain modems.
It is defined as any carrier that provides services across multiple local access and transport areas (interLATA). Calls made on telephone circuits within the local geographic area covered by one local network are handled only by that intraLATA carrier, commonly called a local telephone exchange carrier. Local calls are usually defined by ...
Calling an 800-number is free of charge. Calling a 400-number incurs a local access charge. 800-numbers are accessible only to land-line subscribers, while 400-numbers are accessible to all land-line and mobile users.
Local exchange carrier (LEC) is a regulatory term in telecommunications for the local telephone company. In the United States , wireline telephone companies are divided into two large categories: long-distance ( interexchange carrier , or IXCs) and local (local exchange carrier, or LECs).