books telephone network and postal services
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# Telephone and email services
# Telephone network and internet
# Telephone and network operators
# The law of colors in the telephone network
# Telephone network extensions
# The principle of the telephone network
# The working principle of the telephone network
# Telephone network installation
# public telephone network
# Algerian Postal Services
# Postal services provided remotely
# Postal and Communications Services
# Definition of postal services
# Types of postal services
# Who invented the telephone?
# Hacking the network by phone
# mobile network systems
# Weak phone network
# Optimize the phone network
# Mobile phone and e-mail
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Source: wikipedia.org
شبكة الهاتف وخدمات البريد (Info)
تغطي المدينة شبكات الهاتف الأرضي الثابت والجوال ورمز المنطقة الهاتفي هو 541 ومن الخارج يضاف إليه رمز السودان الهاتفي الدولي (249). كما توجد فيها خدمات البريد والرمز البريدي للمدينة هو (2221).
