Telephone number append

Clean data

Find or verify Australian telephone numbers for customer records

With a high level of certainty Datawash will append the new or changed telephone number when clients provide the name, DPID and/or address and/or existing telephone number. We will also verify if we match your existing telephone numbers. Datawash can present new and changed numbers with various symbols, spacing, brackets, hyphens etc. to match a client’s database formatting

Datawash will search for Mobile and landline telephone numbers, and offer all of them as output.


Different data provided:

  • Local telephone number and prefix
  • Mobile telephone number
  • Address
  • Surname and initials

Confidence levels

Datawash specifies the level of confidence with each matched record.

  • At the same address only
  • Same surname, at the same address
  • Same surname and initial / firstname, at the same addresss


Keep in touch


Datawash values the security of your data extremely highly.

All confidential data uploaded to or downloaded from the Datawash portal is protected by SSL Certification and proprietary encryption.

Cloud systems are not used in any manner. Client data resides on a single machine during processing.

Datawash services are governed by and adhere to the Federal Government’s Australian Privacy Act. No client data is shared with other parties and is deleted from the Datawash servers within 7 days of processing with written confirmation of its purging.