Employer state & zip code are BC (British Columbia) & V6P 6M9. System will not accept this postal code?

What form are you using to report the income from a foreign employer?

1040EZ.  Employment was in Carmel, CA (retail store) but W2 came from Lush Cosmetics in Vancouver, BC

When entering the Employer Address on the TurboTax program Form W-2, on the box Address type select from the dropdown Foreign Address.  Then you can enter the employer's address, city, province or state, postal code and country.