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  1. ONSIM
  2. Account & Billing

Account & Billing

Account Changes

  • Change of Address
  • Can I change my email address?
  • Can I change my number?

Billing and Payment Methods

  • How do I get copies of invoices or a statement of my account?
  • When will I be billed?
  • How do I update my credit card details

Plan Usage & Upgrades

  • Can I upgrade/downgrade my plan
  • How much data have I used this month?

New SIMs

  • How long will it take for the SIM to arrive?
  • Ordering another SIM
  • Lost/Replacement SIM

Other

  • Deactivate my account
  • Terminology Guide
  • Memorable / Premium Numbers
  • Non Standard Charges
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