Synonyms of the word 
POSTPAID → PAID - PREPAID
postpaid
- adj. paid in advance (used especially of mail items).
- adj. paid after the service (used especially of cellular phones).
paid
- v. simple past tense and past participle of pay.
prepaid
- v. simple past tense and past participle of prepay.
- adj. paid for in advance.
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