For Local / National number Types in El Salvador
Valid LoA (Local address required)
Copy of Identification (DUI) or Passport of the Authorized Person
Copy of the latest invoice with a local carrier
Proof of payment of the latest invoice with the local carrier
Company registration certificate (only if the numbers belong to a company)
Power of Attorney (only if the numbers belong to a company)
Contact email@example.com for the LoA template for number porting in El Salvador.