1 Effective date searches are available only for US area codes. 2  Our sources for non-US NPA-NXX data do not provide this information. 3  If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero. Effective date searches are available only for US area codes. 2  Our sources for non-US NPA-NXX data do not provide this information. 3  If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.
If you press Y (for yes) in response to this message, the batch program ends and control returns to the operating system. Therefore, you can insert the pause command before a section of the batch file you may not want to process. While pause suspends processing of the batch program, you can press CTRL+C and then Y to stop the batch program.
echo is the function that outputs each line of the batch file into the command prompt as it is running. The example would be if the batch command was shutdown -r -t 0 (this command will restart your computer immediately) you would see that very thing in the command window, along with the folder path of where your prompt is currently running.