正常情况下，数字号码的英语读法遵循以下规则：1-one2-two3-three4-four5-five6-six7-seven8-eight9-nine10-ten11-eleven12-twelve13-thirteen14-fourteen15-fifteen16-sixteen17-seventeen18-eighteen19-nineteen20-twenty21-twenty-one30
正常情况下，数字号码的英语读法遵循以下规则：
1 - one
2 - two
3 - three
4 - four
5 - five
6 - six
7 - seven
8 - eight
9 - nine
10 - ten
11 - eleven
12 - twelve
13 - thirteen
14 - fourteen
15 - fifteen
16 - sixteen
17 - seventeen
18 - eighteen
19 - nineteen
20 - twenty
21 - twenty-one
30 - thirty
40 - forty
50 - fifty
60 - sixty
70 - seventy
80 - eighty
90 - ninety
100 - one hundred
例如：
21 - twenty-one
35 - thirty-five
49 - forty-nine
57 - fifty-seven
69 - sixty-nine
100 - one hundred
对于较大的数字，可以使用组合读法，例如：
113 - one hundred and thirteen
567 - five hundred and sixty-seven
938 - nine hundred and thirty-eight
3521 - three thousand five hundred and twenty-one
请注意，对于电话号码或其他特定的数字号码，读法可能会有所不同。