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Add support for Nigerian area code 20#567

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floere merged 1 commit into
floere:masterfrom
davemcginnzendesk:add-nigeria-20-area-code
May 9, 2026
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Add support for Nigerian area code 20#567
floere merged 1 commit into
floere:masterfrom
davemcginnzendesk:add-nigeria-20-area-code

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@davemcginnzendesk
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Adds validation and formatting support for Nigerian phone numbers with area code 20, allowing 6-8 digit local numbers (split pattern 3, 3..5).

This fixes validation for numbers like +234 20 11112222 which were previously rejected as invalid despite being properly formatted.

Changes:

  • Add area code 20 pattern before 1-digit area codes to ensure correct matching
  • Add split pattern split(3, 3..5) to support 6-8 digit local numbers
  • Add test cases for 7 and 8 digit local numbers with area code 20
  • Add plausibility test for area code 20 numbers

Adds validation and formatting support for Nigerian phone numbers with
area code 20, allowing 6-8 digit local numbers (split pattern 3, 3..5).

This fixes validation for numbers like +234 20 13438806 which were
previously rejected as invalid despite being properly formatted.

Fixes Zendesk Z2 ticket #14715836 where customer reported being unable
to add +2342013438806 as an external number in Talk.

Changes:
- Add area code 20 pattern before 1-digit area codes to ensure correct matching
- Add split pattern split(3, 3..5) to support 6-8 digit local numbers
- Add test cases for 7 and 8 digit local numbers with area code 20
- Add plausibility test for area code 20 numbers

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
@floere floere merged commit a5d2db6 into floere:master May 9, 2026
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floere commented May 9, 2026

Many thanks for your contribution! 🙇🏻‍♂️ Released in 3.0.6 🚀

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2 participants