United States country code, +1 explained.
Everything you need to call United States with Twiching — full dialing format, step-by-step guide, and Tier-1 CLI routes that land every call.
United States
Washington D.C. · Americas
· COUNTRY INFO · VERIFIED
- ISO Alpha-2
- US
- Capital
- Washington D.C.
- Region
- Americas
- Timezone
- UTC−5 to UTC−8
· DIALING GUIDE · VERIFIED
FULL DIAL FORMAT
011 · +1 · XXX · XXXX
How United States numbers break down
A complete number to United States follows this pattern. Twiching adds the exit and country codes automatically when you dial from the app.
EXIT CODE
Dial from the US/Canada to leave the country.
COUNTRY CODE
Routes the call directly into United States.
AREA / MOBILE
Regional or mobile prefix — drop the leading 0.
LOCAL NUMBER
The subscriber's local number.
COMPLETE NUMBER FORMAT
011 · +1 · XXX · XXXX
United States on the map
Washington D.C. · Americas
ROUTE
Tier-1 Direct
CLI
Verified
ASR
60%+ min
How to call United States
Click any step — watch the full dial string build piece by piece.
FULL NUMBER FORMAT
011 · +1 · XXX · XXXX
Twiching automatically adds the exit and country codes — just enter the local number.
United States —
connected across every carrier.
191
Countries in directory
UNITED STATES INCLUDED
99.97%
Call delivery rate
STIR/SHAKEN
500+
Carrier interconnects
TIER-1 DIRECT
60%+
Guaranteed ASR
REAL-TIME ROUTING
United States
Americas · US
Built for clear international calling
Effortless to use
Dial naturally — Twiching adds exit and country codes for you and connects with verified caller ID to United States.
Comprehensive coverage
191 countries with Tier-1 routes, local caller ID, and full CLI delivery on every connection.
Accurate & verified
Every dialing code and format is kept current, so your call lands the first time, every time.
Permitted — FCC regulated
Regulated by FCC
- STIR/SHAKEN enforced
- E911 mandatory
- TCPA compliance required
US → United States
$0.004/min
per minute
United States → US
$0.004/min
per minute
More in Americas
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