Below is The Complete List Of Mobile Phone Service Provider or Networks in Karnataka Both GSM & CDMA. 1. Airtel 2. Aircel 3. Idea 3. Vodafone 4. BSNL 5. Uninor 6. Tata Docomo 7. Tata Indicom 8....
US international calling code: 011
Country code for UK: 44
You should dial calling code, country code, then phone number minus any leading zero.
So, for example, UK mobile number 07234 123456 is...
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Country: India
Operator name Network code...
No, most phones use signals from towers and a "switch" that turns it into a landline call. If you aren't close enough to a tower you won't have a signal to use it.