Calling India from the United States explained

Agra	562	Dhanbad	326	Meerut	121
Ahmadabad	79	Faizabad	5272	Nagpur	712
Allahabad	532	Hyderabad	40	Nasik	253
Amritsar	183	Indore	731	Patna	612
Asansol	341	Jabalpur	761	Pune	20
Bangalore	80	Jaipur	141	Rajkot	281
Bhopal	757	Jamshedpur	657	Surat	261
Bombay	22	Kanpur	512	Vadodara	265
Calcutta	33	Katwa	3453	Varanasi	542
Coimbatore	422	Lucknow	522	Vijayawada	866
Combay	2698	Ludhiana	161	Vishakhapatnam	891
Delhi	11	Madurai	452	Wardha	7152