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Porting Resources

Letter of Agency

The Letter of Agency is a required document in order for you to continue to use your existing phone numbers, with SimSIP, LLC. Fill out the attached form and return to your SimSIP representative to get the porting process started.

Add-On Number Addendum

This document is to be used with the Letter of Agency form to allow you to port more than 10 numbers at a time. Use as many of these as you require, to provide all phone numbers you wish to port.

Toll Free RespOrg Change

This document is the form to authorize a new RespOrg to take control of the Toll Free numbers.

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