Related terms:
npa
uld
itu
pstn
nanp
pots
isdn
xxxx
crtc
nanpa
overlay
caller
naqahdah
wormhole
area code
local calls
subscriber
new area code
country code
long distance
central office
stargate command
telephone numbers
stargate universe
service provider
telephone exchange
session initiation protocol
north american numbering plan
north american numbering plan area
public switched telephone network
Wikipedia sources:
Stargate (device)
Telephone numbering plan
North American Numbering Plan
Modem
H.323
Area code 270
Public switched telephone network
Dual-tone multi-frequency
Private branch exchange
Retronym
WarGames
Teleprinter
Area code 613
Plain old telephone service
Planet killer
Area code 604
Area codes 571 and 703
Area codes 310 and 424
Area codes 905 and 289
Area codes 519 and 226
Air (Stargate Universe)
List of country calling codes
Context for words:
dialing
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