Area code 738

California, United States · 27 prefixes · 15 exchanges · 8 carriers

Largest exchanges

Lsan Da 064
Lsan Da 043
Lsan Da 102
Lsan Da 132
Lsan Da 082
Lsan Da 142
Montebello2
Lsan Da 122
Lsan Da 012
Lsan Da 071

Largest carriers

Onvoy, LLC - CA16
Wide Voice, LLC - CA4
T-mobile Usa, Inc.2
New Cingular Wireless Pcs, LLC1
Opentact Inc.1
Boost Subscriberco L.l.c.1
Exiant Communications LLC1
8x8, Inc.1

Most reported 738 numbers

No visitor reports yet in this area code.

FCC complaints

738-200-11961 · 2026-10-05

All 738 prefixes by exchange

Lsan Da 01 · 2

738-777 738-880

Lsan Da 02 · 1

Lsan Da 03 · 1

Lsan Da 04 · 3

738-202 738-800 738-999

Lsan Da 05 · 1

Lsan Da 06 · 4

738-222 738-300 738-738 738-888

Lsan Da 07 · 1

Lsan Da 08 · 2

738-204 738-212

Lsan Da 09 · 1

Lsan Da 10 · 2

738-200 738-205

Lsan Da 11 · 1

Lsan Da 12 · 2

738-338 738-444

Lsan Da 13 · 2

738-203 738-209

Lsan Da 14 · 2

738-207 738-210

Montebello · 2

738-333 738-666