Similar to 国際電話番号の一覧

ITU prefix

E.164

List of FIFA country codes

List of IOC country codes

ISO 3166-1

ISO 4217

Country code top-level domain

Telephone number

Telephone number mapping

MSISDN

.tel

Emergency telephone number

Area code

Notification

Telephone directory

Directory assistance

Telephone numbering plan

Telephone number portability

North American Numbering Plan

List of ISO 639 language codes

List of ISO 639-2 codes

List of NATO reporting names for submarines