= National conventions for writing telephone numbers
{wiki=National_conventions_for_writing_telephone_numbers}
The conventions for writing telephone numbers can vary by country, but there are some common formats that are widely recognized. Here are some general guidelines for writing telephone numbers: \#\#\# 1. **Country Codes**: - When writing international telephone numbers, include the country code, prefixed by a plus sign (+) or double zero (00). - Example: +1 for the United States, +44 for the United Kingdom. \#\#\# 2.
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