By Jason and 1 other2 authors3 articles
V3: Groups - Filtering by phone type and/or numberWant to choose people by the type of number they have (mobile, landline, etc.) or numbers with a certain area code, etc.? Here's how.
V3: Filtering conversations by numberUsing multiple numbers? Filter your Inbox to see only the messages associated with one of those numbers.
V3: Canadian numbers and carrier filteringMore information about carrier filtering with CA numbers