ocr: RAO Credit Card Codes A Telephone Credit Card Number is digits, divided 201 093,094,101 408 293 618 204,547 3-?- H- : - The first ten digits are the phone 202 032 412 030,042 701 133 number being charged to. The next three are a billing 203 020 413 009 702 176 code (the Regional Account ing Office, or RAO). A list of 204 456 414 088,089 703 704 033 319 the major verification, ones and is at changes the left. annually. The For final 1980 digit is (1/1/80 for to 205 054 415 158,159,167 206 163 416 476,478 705 707 477 223 digit 1/31/81), of the the charged-to verification number. digit has The to ...