A Alpha

B Bravo

C Charlie

D Delta

E Echo

F Foxtrot

G Golf

H Hotel

I India

J Juliet

K Kilo

L Lima

M Mike

N November

O Oscar

P Papa

Q Quebec

R Romeo

S Sierra

T Tango

U Uniform

V Victor

W Whiskey

X X-ray

Y Yankee

Z Zulu

Another sometimes used, for example by the California Police:

A Adam

B Boy

C Charles

D David

E Edward

F Frank

G George

H Henry

I Ida

J John

K King

L Lincoln

M Mary

N Nora

O Ocean

P Paul

Q Queen

R Robert

S Sam

T Tom

U Union

V Victor

W William

X X-Ray

Y Yellow

Z Zebra