Related terms:
bills the call
plus taxes
telephone companies
dialing plan
mobile phone numbers
oak brook
phone numbers
ninth digit
operator code
toll alerting
switched telephone network
number ranges
dialing pattern
initial digit
pagers
operator services
call forward
new area codes
collect calls
lower hunter
being called
usd per
local call
permissive dialing
international telephone
directory enquiries
will connect
cellular phones
Wikipedia sources:
Directory assistance
4-1-1
1-800-FREE-411
North American Numbering Plan
555 (telephone number)
Knowledge Generation Bureau
Tellme Networks
Telephone numbers in Australia
Telephone numbers in Brazil
Telephone numbers in Russia
Context for words:
directory
assistance
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