310 area code: location, overlays and numbers
In Los Angeles, California, code 310 has served as a US telephone area code since 1991. It shares an overlay with 424.
- Location
- Los Angeles, California
- Active since
- 1991
- Local time zone
- Pacific time
- Overlay
- 424
- Calls within the area
- Full 1 + 10-digit dialling
- Rate center locations
- 16
- Expected exhaustion
- 2043
- Country calling prefix
- +1 (United States)
Based on public NANPA reports: the area code report and rate-centre report, dated 11/01/2026. The projected exhaust year comes from the NANPA projections, release 2026-1 (April 2026). This is an unofficial site, not an official NANPA site.
Get a number in the 310 area code
You can get a 310 number in two ways. When you sign up, a provider assigns a new number from its available numbers in the code under its plan. Numbers already held by a seller are listed at a one-time price and often have a pattern. You then move your chosen number to a provider.
Providers ranked by first-year cost
| Provider | Cheapest plan | First year | Link |
|---|---|---|---|
 Free app | Basic (Just for me), free | $0 | Open Google Voice |
 Free app | Free plan, free | $0 | Open TextNow |
 Developer API | Pay-as-you-go local number, $1.15 a month | $13.80 | Open Twilio |
 Second-number app | Standard, $3.99 a month billed yearly | $47.99 | Open Burner |
 Toll-free specialist | Solo, $6.99 a month billed yearly | $84 | Open UniTel Voice |
 Second-number app | Deluxe (local number), $6.99 a month billed yearly | $102.88 | Open GoDaddy Conversations (formerly Smartline) |
Sellers that list local numbers
| Seller | What it sells | Listed price | Monthly fee | Link |
|---|---|---|---|---|
 Marketplace | Local numbers | From $9 one-time | None stated | Search at Exclusive Digits |
 Marketplace | Local and toll-free | From $9.95 one-time | $2.99 a month | Search at NumberBarn |
 Number broker | Local and toll-free | From $99 one-time | None stated | Search at RingBoost |
 Number broker | Local and toll-free | From $100 one-time | None stated | Search at PhoneNumberExpert |
| 212areacode.comNumber broker | Local numbers | From $150 one-time | None stated | Search at 212areacode.com |
We may receive a referral fee from certain sellers and providers. This does not affect the order, which is based on first-year cost. How we earn
Places in the 310 area code
For 310, NANPA lists 16 rate centres. Every rate centre is a local calling area where numbers get assigned:
Avalon, Beverly Hills, Compton:compton Da, Compton:gardena Da, Culver City, El Segundo, Hawthorne, Inglewood, Lomita, Malibu, Redondo, San Pedro, Santa Monica:mar Vista Da, Santa Monica:santa Monica Da, Torrance, West Los Angeles.
Other related codes
The same area and number pool includes 424. Each of these codes can supply a new number for this area, so ask for your choice.
Other California area codes include 213, 415, 916, 714, 805, 209, 408, 707, 619, 818, 510, 909 and 562. More include 760, 626, 650, 530, 925, 949, 323, 831, 559, 661, 858, 951 and 657. The others are 747, 442, 669, 628, 279, 820, 341, 840, 350, 369, 738, 837 and 357.
310 area code questions
Where is area code 310?
Calls to 310 ring in Los Angeles, California. Its service area is around Los Angeles-Long Beach-Anaheim, CA.
Which country code belongs to a 310 number?
+1. When calling 310 from abroad, use +1 310 followed by the 7-digit number. This code belongs to the North American Numbering Plan.
What time is it in the 310 area code?
The time zone for 310 is Pacific.
Who makes calls from a 310 number?
People with numbers in this code include homes, mobiles, local businesses and callers who fake a local number. When you see a 310 number on your screen, it shows where the number was assigned rather than the identity of the caller.