User:Woyee/Books/国家码表

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 * Country codes: A
 * Country codes: B
 * Country codes: C
 * Country codes: D–E
 * Country codes: F
 * Country codes: G
 * Country codes: H–I
 * Country codes: J–K
 * Country codes: L
 * Country codes: M
 * Country codes: N
 * Country codes: O–Q
 * Country codes: R
 * Country codes: S
 * Country codes: T
 * Country codes: U–Z
 * List of North American Numbering Plan area codes