Caller ID for
Area code 310
Area code 310 Compton, California
Area code 310 is in California, with numbers assigned in Compton, San Marino, Beverly Hills and 11 more places. It’s 9:12 PM there now.
- State
- California41 area codes in California
- Time zone
- Pacific9:12 PM there now
- Exchanges
- 78614 places
- Overlay
- 424Same area, 10-digit dialing
- No sign-up
- We never contact the number
- Spam risk included
Looking up the caller ID…
Caller ID names come from phone carrier records and are often outdated or missing. Our full report matches about 86% of numbers to TransUnion® credit data, with their FICO® Score 4.
See who’s behind this number
The full report: the owner, their address and a real FICO® Score 4.
A full report shows the owner, their address, FICO Score 4 and credit profile. The preview here is blurred sample text.
$1 today · 7-day Platinum trial, then $59/month · cancel anytime
Full reports include credit data, so you’ll confirm a permissible purpose first, like the person’s consent or their application. Caller ID doesn’t need one.
Free lookups come back in
00h00m00s
Get 100+ lookups a month
Or try Platinum: $1 for 7 days, then $59/month · cancel anytime
Where area code 310 is
Numbers in 310 are assigned to 14 places in 1 county: Los Angeles County.
Compton has the most, 21% of the exchanges; the rest are spread across 13 other places.
- Compton168
- San Marino138
- Beverly Hills113
- Los Angeles104
- Inglewood49
- Redondo Beach44
- El Segundo39
- Culver City36
- Torrance33
- Hawthorne31
- Lomita14
- Malibu12
- Avalon3
- Lakewood2
Phone companies in 310
786 blocks of numbers in 310 are held by 21 phone companies. The most belong to AT&T (255), Frontier (137) and T-Mobile (72).
Mostly landline: about 50% of blocks belong to local phone and cable companies, 26% to wireless networks and 25% to other carriers.
A block’s holder is the company it was first assigned to; numbers can move to other carriers since.
History and overlays
310 went into service in 1991, added to the area of 213.
424 (since 2006) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.
7 new exchanges were assigned since 2021, the latest in November 2025.
Calling 310
It’s 9:12 PM Pacific time in 310 right now.
From elsewhere in the U.S., dial 1, 310 and the 7-digit number; inside the area, all 10 digits too.
Nearby area codes
California has 41 area codes: 209, 213, 279, 310, 323, 341, 350, 357, 369, 408, 415, 424, 442, 510, 530, 559, 562, 619, 626, 628, 650, 657, 661, 669, 707, 714, 738, 747, 760, 805, 818, 820, 831, 837, 840, 858, 909, 916, 925, 949 and 951.
- 323 · Los Angeles, CA · same area
- 738 · Los Angeles, CA · same area
- 213 · Los Angeles, CA · same area
- 818 · Los Angeles, CA · same area
- 747 · Los Angeles, CA · about 12 mi
- 562 · Long Beach, CA · about 13 mi
From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.
Map of the 310 area code
Map of the 310 area code around Compton, San Marino and Beverly Hills, California.
Cities on the map
More than three a day
Every plan includes caller ID lookups.
Caller ID and carrier lookups every month, plus full reports with the owner, their address and a real FICO® Score 4.
Basic
$29a month
Try it: $1 for 1 day
- 100 caller ID & carrier lookups a month
- 3 full reports a month
- Owner, address and FICO® Score 4
- Or $99 a year
$1 today, then $29/month after 1 day · cancel anytime
Most lookups
Platinum
$59a month
Try it: $1 for 7 days
- 1,000 caller ID & carrier lookups a month
- 5 full reports a month
- Owner, address and FICO® Score 4
- Or $199 a year
$1 today, then $59/month after 7 days · cancel anytime
Just one report
$19.99one time
No subscription
- Who the number belongs to
- Current address
- FICO® Score 4 and credit profile
$19.99 once · nothing to cancel
You pick a plan after looking up a number. Full reports need a permissible purpose, like the person’s consent. Caller ID lookups past a plan’s monthly amount are 5¢ each; during a trial, up to 10 are included.
Questions about 310
Where is area code 310?
In California, covering Compton, San Marino and Beverly Hills and other places across 1 county.
What time zone is 310 in?
Pacific time. It was 9:12 PM there when this page loaded.
Is 310 an overlay?
Yes. 424 serves the same area, so dial all 10 digits for local calls.
Which phone companies have 310 numbers?
21 companies hold blocks; the most belong to AT&T, Frontier and T-Mobile. About 26% of blocks are wireless.
Is 310 running out of numbers?
Not on record. 7 new exchanges have been assigned since 2021.