cell_phone_in_e164 returning invalid e164 phone number prefix for en-AU and en-NZ locales

[tohagan]

Describe the bug

Faker::PhoneNumber.cell_phone_in_e164 returns invalid cell phone numbers for en-AU and en-NZ locales.

To Reproduce

Faker version is 2.18.0

Faker::Config.locale = 'en-AU'
Faker::PhoneNumber.cell_phone_in_e164

• Consistently returns invalid cell phone numbers prefixed by +6104.... instead of +614 (zero removed)

Faker::Config.locale = 'en-NZ'
Faker::PhoneNumber.cell_phone_in_e164

• always returns invalid cell phone numbers prefixed by +6402.... instead of +642 (zero removed)
• Example returned "+640211398065" but should be "+64211398065"

National dialing in AU and NZ uses a 0 prefix
International dialing in AU and NZ replaces the 0 prefix with +61 (AU) or +64 (NZ)

[thdaraujo]

thanks for bringing this to our attention!

I did a bit of research on this, but it's not clear to me whether this is true only for specific countries or locales, or for any country/locale.

I could only find this information here about the leading zero:

In a number of countries, local dialing may require the addition of a '0' in front of the subscriber number. With E.164 formatting, this '0' must usually be removed.
Source - Twilio

Can you point me to a source that says the leading zero should be removed from all area codes in all countries? Otherwise, we might have to patch it only for specific countries. Thanks!

[thdaraujo]

@tohagan do you think this could be related to this other issue? #2047

[stefannibrasil]

Thanks for reporting this bug! To help with bug triage, I will mark this one as duplicate of #2047