Where is 833 area code ?
833 area code may be restricted by the customer, it is not assigned to a geographical area or time zone, calls to any toll free number.
What is area code?
Area code is a plan of assigning telephone numbers to subscriber. These numbers are the addresses of participants in a telephone network, reachable by a system of destination code routing.
What are plan of assigning telephone numbers?
In each of administrative regions plans are defined of the public switched telephone network (PSTN) and they are also present in private telephone networks. Role played by geographic location in the sequence of numbers assigned to each telephone subscriber.
What is number structure?
In a national numbering plan, a complete area telephone number is composed of an area code and a subscriber telephone number. The number assigned to a line connected to customer equipment is called subscriber number.
Subscriber number’s first few digit indicate smaller geographical areas or individual telephone exchanges, in mobile networks they may indicate the network provider.
Sometimes callers in given area or country do not need to include the particular area prefixes when dialing within the same area. Telephone numbers that dial by devices automatically may include the full number with area and access codes.
Country code
It is necessary only when dialing telephone numbers in other countries. Country code dial before the national telephone number and dial (+) sign with country code.
Area code
It is based on divisions into geographic areas of the service territory, defined in the plan is assigned a numeric routing code. This concept was first developed for Operator Toll Dialing of the Bell System in the early 1940s, North American service territories divided by North American Numbering Plan areas, and gave each NPA a unique numerical prefix, the numbering plan area code, which became known as area code. Prefixed area code to each telephone number issued in its service area.
Area codes of different countries
Area code of North American Numbering Plan have 3 digits, while 2 digits are used in Brazil, 1 digit in Australia and New Zealand. Formats which are of variable length exist in multiple countries including:
Argentina, Austria (1 to 4)
Germany (2 to 5 digits)
Japan (1 to 5)
Mexico (2 or 3 digits)
Peru (1 or 2)
Syria (1 or 2) and the United Kingdom.
The format may be restricted to certain digit patterns such as NANP had at times specific restrictions on the range of digits for the 3 positions, and required assignment to areas avoiding nearby areas receiving similar area codes to avoid confusion and misdialing.
Area codes in Pakistan
The area codes in Pakistan consists of 2 to 5 digits, smaller the city, longer the prefix. Big cities have 2 digit codes. Smaller cities have 6 digital while big cities have 7 digit numbers, Azad Kashmir telephone lines contain 5 digits.
Telephone numbers in Karachi and Lahore were changed from 7 digits to 8 digits in 1st July 2009, by adding 9 to the beginning of all phone numbers that started with a 9, government and semi-government lines and adding 3 to all other lines.
Mobile phone codes in Pakistan
Mobile phone codes are 4 digits long and start with 03, mobile numbers are7 digits long, and denote the mobile provider on a nationwide basis and not geographic location.