What code do you use when sending a fax from England to northern Ireland?

Answer 1

You dial a fax number on a fax machine exactly the same way you would dial the same number on a landline telephone at the same location.

To dial from Ireland to Arkansas you will need to dial:

00 + 1 + area code (3 digits) + fax number (7 digits)

if the fax number you have is 10 digits, then it already includes the area code.

Arkansas area codes are 501, 479, and 870.

(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.)

Answer 2

Both numbers are within the UK so you don't need any special code. Just dial the full 11-digit national number (which will probably begin with 028, the area code for Northern Ireland).