My understanding; currently it was an FCC requirement to change numbers due to providers bought blocks of pre-fixes from FCC regulations. Soooo land lines are somewhat tied to pre-fix numbers but cell phones where under the same restrictions but currently they are not.<br><br>Cell phone "sim card" are easy to change or just slip into another phone - land line are still hard wired to a controller/switch, when these stations are change to digital then land line will become, like cell phone technology -- phone number pre fixes will then be a past memory<br><br>IMO<br><br>
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