Phone number porting

With no physical switching stations anymore, everything is digital, why are there some numbers you can’t port over? You’d think everything should be transferable especially if it’s a cell number not a land line. Can you force a transfer?

Number porting still requires the ability to accept the number in the rate center. Republic’s partner,, is big and is in most rate centers, but not all. Republic can’t force a transfer if Bandwidth can’t accept numbers in that rate center.

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What determines why a number can’t be ported?

Here are four common reasons a number cannot be ported:

  1. A phone number cannot be ported if the customer has already cancelled service with their old provider and the number is no longer active or has been assigned to a new customer.

  2. A phone number cannot be ported if the new carrier does not have an interconnection agreement with the donor carrier.

  3. A phone number cannot be ported if the new carrier does not cover the rate center associated with your number.

  4. Pager phone numbers are typically owned by the paging company and cannot be ported away from them.

In addition to the reasons a number cannot be ported, some wireless entities choose not to port numbers which are classified as wireline numbers. This is simply a business decision made by the particular wireless entity.


Because the company trying to accept the number doesn’t have presence in the rate center to which the number belongs. This isn’t a Republic thing, it is universal. It is why AT&T, Verizon, T-Mobile, etc all have number checkers on their websites, as does Republic.

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