323 area code
Los Angeles area, Pacific Time.Area code 323 covers Los Angeles and Montebello in California, on Pacific Time. 213 and 738 cover the same area.
Right now in Los Angeles
Pacific Time (PST, UTC-8; PDT, UTC-7 in summer)
Calling hours: Every day, 8 AM to 9 PM (the federal rule)
Small talk
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Where 323 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 323 has 2. Each one's share is how many 323 numbers start there. Its biggest metro area is Los Angeles-Long Beach-Anaheim, CA.
- Los Angeles86%
- Montebello14%
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 323 number?
Sales calls to homes and cell phones have legal hours, set by the federal rule. Hold every 323 number to them, since you can't tell a work line from a personal cell.
What applies to 323Every day, 8 AM to 9 PM
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
323 and 213 and 738
323 went into service on June 13, 1998. 323, 213 and 738 cover the same area, so new numbers can get any of them and neighbors can have different area codes. 323 holds 50% of the area's exchanges, the most of any code here. Local calls take all 10 digits.
- 1947213 overlay
- 1998323 starts
- 2024738 overlay
Source: NANPA area code database
Other California area codes
All California area codes- Stockton209350
- Sacramento279916
- Compton310424
- Oakland341510
- Fresno357559
- Santa Rosa369707
- San Jose408669
- San Francisco415628
- Oceanside442760
- Chico530837
- Long Beach562
- San Diego619858
- Alhambra626
- Palo Alto650
- Anaheim657714
- Bakersfield661
- Van Nuys747818
- Santa Barbara805820
- Salinas831
- Ontario840909
- Walnut Creek925
- Irvine949
- Riverside951
Calling a list of 323 numbers?
Paste it into the free phone number validator. It checks every number, finds each one's time zone and sorts the list by who you can call right now.
323 area code FAQ
What area code is 323?
323 is a California area code for Los Angeles and Montebello.
What time zone is the 323 area code in?
Pacific Time (PST, UTC-8; PDT, UTC-7 in summer).
Is 213 the same as 323?
Same area, different code. 323, 213 and 738 cover the same area (an overlay), so new numbers can get any of them and local calls take all 10 digits.
What are the calling hours for 323 numbers?
Every day, 8 AM to 9 PM, local time, under the federal rule.
When did the 323 area code start?
On June 13, 1998.
Calling 323 numbers? Reach more of them.
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