AreaCodeCentral LogoAreaCodeCentral
209

Area Code 209

Stockton, California · United States

Geographic Pacific Since 1958

Split from 415. Northern California Central Valley: Stockton, Modesto, Merced, Fresno area east.

Current Time in 209
12:36 AM
Saturday, August 8, 2026
UTC OffsetUTC-8
Daylight SavingObserved
IANA ZoneAmerica/Los_Angeles
Primary city
Stockton
State / Province
California
Country
United States
Approx. users
23,902,278
209 Area Code Coverage Map
Approximate coverage area for the 209 area code in California.
Loading map...
Stockton, California · Area code 209
Counties Served
12 counties fully or partially covered by area code 209.
Los Angeles, CA9,829,544
32.9%
San Diego, CA3,286,069
11%
Orange, CA3,135,755
10.5%
Riverside, CA2,422,686
8.1%
San Bernardino, CA2,189,033
7.3%
Santa Clara, CA1,902,466
6.4%
Alameda, CA1,635,820
5.5%
Sacramento, CA1,570,058
5.3%
Contra Costa, CA1,156,144
3.9%
Fresno, CA1,006,009
3.4%
Kern, CA905,468
3%
Ventura, CA838,796
2.8%

About Area Code 209

Area code 209 is a geographic telephone area code assigned to Stockton, California. It operates in the Pacific time zone and was first introduced in 1958. Split from 415. Northern California Central Valley: Stockton, Modesto, Merced, Fresno area east.

Within California, area code 209 shares numbering capacity with 35 other area codes. The state's 38,965,193-person population (2023 Census Bureau estimate) is served by a combined 36 active codes, with 209 primarily responsible for the Stockton region. California's state capital is Sacramento, and its largest city is Los Angeles.

When you receive a call from a 209 number on your Caller ID, the call originated from a phone number assigned to the 209 area code — but be aware that Local Number Portability (in effect since 2003) means the caller could be physically located anywhere in the US or Canada. Area code 209 only confirms where the number was originally assigned.

Where is the 209 area code located?

Area code 209 is assigned to Stockton, California, in the Pacific time zone. The state of California uses 36 active area codes, and 209 is one of them. Calls placed from the 209 area code originate from numbers assigned by NANPA — the North American Numbering Plan Administrator — and the 209 prefix appears on Caller ID for both landline and wireless calls placed from this region.

The Pacific time zone observes Daylight Saving Time, shifting from UTC-8 to UTC-7 in summer. The local time shown above is always current, so you can quickly check whether it's a reasonable hour to call back.

What cities and counties use the 209 area code?

The 209 area code serves 8 notable cities, listed below in order of population. The largest city in the 209 territory is Stockton (322,915 residents in Unknown County).

  • Stockton, CA — 322,915 residents (3.6% of 209 numbers)
  • Los Angeles, CA — 3,898,747 residents (43.8% of 209 numbers)
  • San Diego, CA — 1,381,611 residents (15.5% of 209 numbers)
  • San Jose, CA — 971,233 residents (10.9% of 209 numbers)
  • San Francisco, CA — 808,437 residents (9.1% of 209 numbers)
  • Fresno, CA — 545,567 residents (6.1% of 209 numbers)
  • Sacramento, CA — 524,943 residents (5.9% of 209 numbers)
  • Long Beach, CA — 456,154 residents (5.1% of 209 numbers)

Phone number format in area code 209

All phone numbers within area code 209 follow the standard North American 10-digit format:(209) NXX-XXXX. The NXX is the central office prefix (also called an "exchange") and XXXX is the subscriber line number. For long-distance calls within the NANP, dial 1 + 209 + NXX + XXXX. From outside North America, dial your country's international access code, then 1 (the NANP country code), then the 10-digit number.

If you need to verify whether a specific 209 number is wireless, landline, or VoIP, you can use our reverse phone lookup tool. Be aware that number portability means the area code no longer guarantees the caller's physical location — only where the number was first assigned.

History of area code 209

Split from 415. Northern California Central Valley: Stockton, Modesto, Merced, Fresno area east.

The original 86 area codes were assigned by AT&T and Bell Labs in 1947 as part of the North American Numbering Plan. At the time, rotary-dial phones meant codes with lower digits (like 212 for NYC, 213 for LA, 312 for Chicago) were given to the largest cities because they took less time to dial. Today's area code assignments still reflect those early choices, even though touch-tone and cell phones made the original reason obsolete.

Is the 209 area code safe to answer?

Area code 209 itself is a normal geographic code with no elevated spam risk. That said, scammers can spoof any area code — including 209 — so if you don't recognize the full number, let it go to voicemail and verify the caller's identity before calling back.

Top 8 Cities in Area Code 209
Cities served by the 209 area code, ranked by 2022 ACS population.
CityCountyPopulation% of 209
Stockton, CAUnknown322,9153.6%
Los Angeles, CALos Angeles3,898,74743.8%
San Diego, CASan Diego1,381,61115.5%
San Jose, CASanta Clara971,23310.9%
San Francisco, CASan Francisco808,4379.1%
Fresno, CAFresno545,5676.1%
Sacramento, CASacramento524,9435.9%
Long Beach, CALos Angeles456,1545.1%
Counties in Area Code 209
County-level population data from the 2022 ACS 5-year estimates. "% of 209" shows the share of 209 phone exchanges in each county.
CountyPopulation% of 209% of County
Los Angeles, CA9,829,54432.9%65%
San Diego, CA3,286,06911%66%
Orange, CA3,135,75510.5%90%
Riverside, CA2,422,6868.1%83%
San Bernardino, CA2,189,0337.3%54%
Santa Clara, CA1,902,4666.4%43%
Alameda, CA1,635,8205.5%47%
Sacramento, CA1,570,0585.3%72%
Contra Costa, CA1,156,1443.9%71%
Fresno, CA1,006,0093.4%78%
Kern, CA905,4683%43%
Ventura, CA838,7962.8%92%
Carrier Market Share in Area Code 209
Approximate share of assigned 209 numbers by carrier, based on FCC number-pooling data.
Cellco Partnership (Verizon Wireless)28%
Wireless
T-Mobile USA24%
Wireless
AT&T Mobility18%
Wireless
Frontier Communications10%
Landline
Spectrum (Charter)8%
Cable
Bandwidth.com (VoIP)6%
VoIP
Comcast (Xfinity)4%
Cable
Cox Communications2%
Cable
Sample Prefixes in Area Code 209
A selection of 209 exchanges (NXX prefixes) with their assigned city and carrier.
PrefixCityCarrierAssigned
209-206StocktonBandwidth.com2022
209-221StocktonVerizon Wireless2001
209-236Los AngelesCox Communications1998
209-251StocktonCox Communications2002
209-266Long BeachBandwidth.com1988
209-281FresnoAT&T Mobility2007
209-296StocktonT-Mobile USA1981
209-311StocktonBandwidth.com1988
209-326Los AngelesCable One2007
209-341StocktonComcast2001
209-356StocktonComcast1979
209-371San DiegoComcast1987
209-386OaklandCenturyLink1994
209-401StocktonCox Communications1986
209-416StocktonCox Communications1979
209-431StocktonSpectrum1991
209-446StocktonAT&T Mobility2014
209-461StocktonSpectrum1979
209-476Long BeachT-Mobile USA1988
209-491SacramentoComcast1984
209-506SacramentoSpectrum1988
209-521San FranciscoSprint1991
209-536San JoseSprint1981
209-551StocktonCable One1985
209-566FresnoVerizon Wireless2023
209-581StocktonT-Mobile USA2003
209-596StocktonT-Mobile USA1986
209-611FresnoCable One2022
209-626StocktonCable One2002
209-641OaklandT-Mobile USA2018
209-656StocktonFrontier Communications2009
209-671StocktonFrontier Communications2023
209-686StocktonComcast1996
209-701San JoseAT&T Mobility2005
209-716StocktonCenturyLink2006
209-731StocktonVerizon Wireless2000
209-746San FranciscoBandwidth.com2006
209-761StocktonSpectrum2018
209-776StocktonCenturyLink2006
209-791San FranciscoAT&T Mobility1997
209-806StocktonCenturyLink2013
209-821StocktonComcast1976
209-836StocktonFrontier Communications2020
209-851FresnoT-Mobile USA1978
209-866San JoseCenturyLink2007
209-881StocktonAT&T Mobility1980
209-896StocktonBandwidth.com1975
209-911StocktonCable One1982
209-926StocktonSprint2015
209-941San FranciscoT-Mobile USA2020
209-956StocktonSprint2008
209-971SacramentoAT&T Mobility2020
209-986StocktonFrontier Communications1987
Frequently Asked Questions about Area Code 209

Need to look up a specific 209 number?

Use our free reverse phone lookup to identify the carrier and line type for any 10-digit 209 number.

Try Reverse Lookup