There is no telephone country code +210 (or 00 210, as it would be dialed from most places).
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
Telephone country code +1 is North America, including the USA, Canada, and various Caribbean-ish islands. Area code +1 210 is San Antonio, Texas, USA.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
Telephone country codes never begin with zero.
Country code +1, dialed as 00 1 from many places, is North America (USA, Canada, etc.), and area code +1 210 is San Antonio, Texas.
Country code +210, dialed as 001 210 from many places, is an unused code in Africa.
To avoid confusion, it is best to write an international telephone number in correct international format, beginning with the plus symbol and the correct telephone country code (e.g., +1 or +218), omitting any dialing prefix.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
The telephone area code 210 includes counties in and around San Antonio, Texas. These counties include Bexar County, Universal City, Kirby and Atascosa County.
There are actually two very different places in New South Wales, Australia, with telephone numbers beginning with 80. Any telephone number beginning with 8 in area code 02 is in Sydney or its suburbs. Any telephone number beginning with 80 in area code 08 is in the area around Broken Hill, NSW, or nearby areas of S.A. There are a few other places near the edges of NSW where the state line zigs and the area code boundary zags.
No, telephone area codes are discrete data.
There is no telephone area code 185 in Russia.
AT&T offers great prices on landline telephone servicein your area.
An area code finder is most commonly found in the white pages of a telephone book. Other places to find an area code finder would be at the local library or at the county clerk's office.
You can get a state-by-state listing of telephone area codes in India at the link below.
AT&T services your area.
Hawaii is included in Oceania.
In general, you can't, because most cell phones are not included in telephone directory listings, either in the phone book or online.
In theory, about 7.8 million. In practice, much less.
The telephone area code for Kalisizo, Uganda, is 0481, or +256 481 in international format.
The telephone area code for Arua, Uganda, is 0476, or +256 476 in international format.