There exist two names for the numbers in Ilocano. The native Ilocano and the Spanish names. Generally, Ilocanos use the Spanish terms if they are talking about time of very large quantities. You will however see the native terms if you would read literary books. If you are going on a shopping, prices of small values are given in this form.

1
maysa (migh-SAH)
2
dua (dwah)
3
tallo (tahll-LAW)
4
uppat (oop-PAHT)
5
lima (lee-MAH)
6
innem (ihn-NEHM)
7
pito (pee-TAW)
8
walo (wah-LAW)
9
siam (shahm)
10
sangapulo (sah-ngah-POO-law)
11
sangapulo ket maysa (sah-ngah-POO-law kuht )
12
sangapulo ket dua (sah-ngah-POO-law kuht dwah)
13
sangapulo ket tallo (sah-ngah-POO-law kuht tahll-LAW)
14
sangapulo ket uppat (sah-ngah-POO-law kuht oop-PAHT)
15
sangapulo ket lima (sah-ngah-POO-law kuht lee-MAH)
16
sangapulo ket innem (sah-ngah-POO-law kuht ihn-NEHam)
17
sangapulo ket pito (sah-ngah-POO-law kuht pee-TAW)
18
sangapulo ket walo (sah-ngah-POO-law kuht wah-LAW)
19
sangapulo ket siam (sah-ngah-POO-law kuht shahm)
20
duapulo (dwah-POO-law)
21
duapulo ket maysa (dwah-POO-law kuht migh-SAH)
22
duapulo ket dua (dwah-POO-law kuht dwah)
23
duapulo ket tallo (dwah-POO-law kuht tahll-LAW)
30
tallopulo (tahll-law-POO-law)
40
uppat a pulo (oop-PAHT ah-POO-law)
50
limapulo (lee-mah-POO-law)
60
innem a pulo (ihn-NEHM ah-POO-law)
70
pitopulo (pee-taw-POO-law)
80
walo a pulo (wah-law ah-POO-law)
90
siam a pulo (shahm ah-POO-law)
100
sangagasut (sah-ngah-gah-SOOT)
200
duagasut (dwah-gah-SOOT)
300
tallogasut (tahll-law-gah-SOOT)
1,000
sangaribu (sah-ngah-ree-BOO)
2,000
duaribu (dwah-REE-boo)
1,000,000
sangariwriw (sah-ngah-reew-REEW)
1,000,000,000
sangabilion (sah-ngah-beell-YAWN)
1,000,000,000,000
sangatrilion (sah-ngah-treell-YAWN)
number _____ (train, bus, etc.)
numero iti tren/bus (NOO-meh-raw ee-TEE trehn/booss)
half
gudua (goo-DWAH)
less
bassit (bahss-SIHT)
more
ad-adu (ahd-ah-DOO)