uncheckederror PhoneNumbersNA by: uncheckederror .NET 9.0 This package targets .NET 9.0. The package is compatible with this framework or higher. 12,443 total downloads last updated 3/12/2025 Latest version: 1.0.17 Phone Numbers NANPA VOIP Telephony NPA NXX XXXX Validation Parsing A library for parsing phone numbers. Built around the North American Numbering Plan and the NANPA formal specification.