number generator software

[hellboygothboi]

i need something that generates numbers continuously in a [Field box] on my pc but specific anything 903xxxxx and ending in 86

 

[13thmonkey]

thats only 1000 numbers, you can pick all of the options in excel really easily. Are they phone numbers?

 

[USAFRet]

i need something that generates numbers continuously in a [Field box] on my pc but specific anything 903xxxxx and ending in 86

Context, please.
What is this for?
Random numbers, or sequential?
"continuously" = ...1 per minute? 1 per millisecond?

In Excel...
=RANDBetween(90300000, 90399999) and then append 86 on the end of the number.