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The central register for area code + prefix is here: http://www.nanpa.com/reports/reports_cocodes_assign.html http://www.nanpa.com/reports/reports_cocodes_assi
by pudquick 14y ago
The central register for area code + prefix is here:
http://www.nanpa.com/reports/reports_cocodes_assign.html http://www.nanpa.com/reports/reports_cocodes_assign.html
However, sometimes the companies listed are subsidiaries and you can't tell the 'major' cellular provider for someone at a particular number.
- amatix 14y agoIn the US, does number portability between networks exist? In NZ, it causes problems with SMS gateways, which seem to (in general) naively use the prefix as the sole means of identifying which operator for a number.