Cities in area code 738
Area code 738 serves 10 localities in California, led by Los Angeles:da 04, Los Angeles:da 06, Montebello. The table lists every rate center — the billing locality each prefix is anchored to — with its share of the code's 15 active prefixes.
Ranked by active prefixes, the code's territory runs through Los Angeles:da 04, Los Angeles:da 06, Montebello, Los Angeles:da 10, Los Angeles:da 07, Los Angeles:da 13, Los Angeles:da 12 and Los Angeles:da 03, and 1 smaller communities down to single-prefix localities.
Metropolitan coverage: 10 rate centers belong to FCC top-100 metro areas.
Overlap note: 10 localities are shared with other area codes, so a neighbor's number may differ in its first three digits.
Clock-wise the coverage is Pacific.
A caller's real location can differ: numbers port between carriers and follow their owners when they move. Use the prefix tables to see where a specific number block was issued.
| Locality (rate center) | Active prefixes | Metro area | All codes serving it |
|---|---|---|---|
| Los Angeles:da 04 | 3 | Los Angeles-Long Beach-Anaheim, CA | 213, 323, 738 |
| Los Angeles:da 06 | 3 | Los Angeles-Long Beach-Anaheim, CA | 213, 323, 738 |
| Montebello | 2 | Los Angeles-Long Beach-Anaheim, CA | 213, 323, 738 |
| Los Angeles:da 10 | 1 | Los Angeles-Long Beach-Anaheim, CA | 213, 738 |
| Los Angeles:da 07 | 1 | Los Angeles-Long Beach-Anaheim, CA | 213, 738 |
| Los Angeles:da 13 | 1 | Los Angeles-Long Beach-Anaheim, CA | 213, 323, 738 |
| Los Angeles:da 12 | 1 | Los Angeles-Long Beach-Anaheim, CA | 213, 323, 738 |
| Los Angeles:da 03 | 1 | Los Angeles-Long Beach-Anaheim, CA | 213, 323, 738 |
| Los Angeles:da 01 | 1 | Los Angeles-Long Beach-Anaheim, CA | 213, 738, 818 |
| Los Angeles:da 05 | 1 | Los Angeles-Long Beach-Anaheim, CA | 213, 323, 738 |
FAQ
What is the biggest city in area code 738?
Los Angeles:da 04 holds the most active prefixes (3), making it the code's largest numbering locality.
How many places does 738 cover?
10 rate centers in California hold active 738 prefixes, from Los Angeles:da 04 down to communities with a single prefix.
Does a 738 number guarantee the caller lives in one of these places?
No — the tables show where number blocks were issued. Porting and VoIP let people keep or acquire numbers anywhere.