Related terms:
imsi
nanp
xxxx
gsm
dial
split
digits
caller
dialling
telecom
prefix
calls
landlines
county
mobile
access code
numbers
area codes
area code
country code
mobile phones
republic
long distance
telephone numbers
subscriber number
mobile phone
north american
telephone numbering plan
international access code
list of country calling codes
Wikipedia sources:
Telephone numbering plan
MSISDN
Area code 813
Area code 562
Area code 612
Telephone numbers in the United Kingdom
International Mobile Subscriber Identity
Area codes 215 and 267
Area codes 201 and 551
List of mobile phone codes by country
Premium-rate telephone number
List of international call prefixes
Context for words:
numbering
plan
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