WorkVenture gives you an inside look at what it's like to work at Clearing House For Number Portability Co., Ltd., office & team photos, reviews and more. This is the Clearing House For Number Portability Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Clearing House For Number Portability Co., Ltd..Apply to ThairungApply to ReadyplanetApply to SamartApply to Bertram