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.
Usually pauses greater than three seconds require evaluation. A pause after a PVC or pac is considered a compensatory pause and not worrisome unless the retrograde activity back to the atria suppresses the sinus node and causes a prolonged sinus node recovery time.