Usually, the area codes are supposed to not start with zeros, but the example described in the #59 issue shows that it can have the prefix zero, so its type should be a string instead of a number.
All Submissions:
[x] Have you followed the guidelines in our Contributing document?
[x] Have you checked to ensure there aren't other open Pull Requests for the same update/change?
Changes to Core Features:
[x] Have you added an explanation of what your changes do and why you'd like us to include them?
[x] Have you updated the documentation related to the changes you have made?
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Motivation:
Usually, the area codes are supposed to not start with zeros, but the example described in the #59 issue shows that it can have the prefix zero, so its type should be a
stringinstead of anumber.All Submissions:
Changes to Core Features: