Related articles:
Automatic number announcement circuit
9-1-1
Telephone numbering plan
Vertical service code
Area code 700
Ten-digit dialing
Direct distance dialing
N11 code
Emergency telephone number
Telephone numbers in the Dominican Republic
555 (telephone number)
Callback (telecommunications)
Toll-free telephone number
List of country calling codes
Directory assistance
Area code 702
Overlay plan
Sint Maarten
Puerto Rico
Area code 612
List of North American Numbering Plan area codes
United States
5-1-1
Dallas
Area code 360
Area code 775
Northern Mariana Islands
Guam
Area code 334
Barbados
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subscribers
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local calls
mobile phone
pagers
new area codes
long distance
second digit
allocations
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countries and territories
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switched telephone network
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Search external links cited by footnotes on Wikipedia page North American Numbering Plan:
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