Area code 738

738 is a newer area code, in service since November 1, 2024, added on top of 213 and 323. See all new area codes.

Look up a 738 number

Cities and towns in area code 738

Listed by how many phone prefixes (the 3 digits after the area code) are assigned to each place in 738.

• Los Angeles, CA (16)
• South Gate, CA (4)
• Lsan Da 01, CA (2)
• Lsan Da 10, CA (2)
• Lsan Da 12, CA (2)
• Montebello, CA (2)
• Lsan Da 07, CA (1)

Phone companies in area code 738

The carriers that hold the most 738 prefixes. People can move their number to another carrier, so this shows who first issued a number, not who serves it today.

All 29 prefixes in area code 738

Pick the 3 digits after the area code to see that prefix’s city and carrier.

• 200
• 201
• 202
• 203
• 204
• 205
• 206
• 207
• 208
• 209
• 210
• 212
• 222
• 300
• 333
• 338
• 444
• 500
• 529
• 600
• 666
• 738
• 777
• 800
• 880
• 888
• 900
• 998
• 999

Area codes that overlay 738

• 213
• 323

Questions

Where is area code 738?

Area code 738 is in California. It serves Los Angeles, South Gate, Lsan Da 01, Lsan Da 10 and Lsan Da 12 and 2 other cities and towns.

What time zone is area code 738 in?

Area code 738 uses Pacific Time.

What area codes overlay 738?

213 and 323 serve the same area as 738. New numbers in the area can get any of these codes, which is why local calls need all 10 digits.

Is a call from area code 738 a scam?

The area code alone doesn’t tell you. Most calls from 738 are ordinary local calls, but scammers can fake (“spoof”) any number. If you don’t recognize a 738 number, let it go to voicemail.

When did area code 738 start?

738 went into service in 2024. It was created from area code 323.

Can a 738 number be outside California?

Yes. People keep their numbers when they move and when they switch to mobile or internet phone services, so a 738 caller can be anywhere.

Other area codes in California