Where is area code 357 located and what state is area code 357?

Area code 357 is located in California (United States), covering major cities and regions including Fresno, Visalia, Clovis, Tulare, Madera, Porterville, Hanford, Lemoore, Sanger, Reedley.

How to call area code 357 and do I need to dial area code 357?

To dial a number in area code 357, format your call as +1 (357) XXX-XXXX. Mandatory 10-digit dialing is required in overlay regions.

Is area code 357 a scam, spam, or dangerous call?

Area code 357 is a legitimate geographic area code for California. However, scammers frequently spoof numbers from any area code, so exercise caution with unknown callers.

North American Area CodePacific Time Zone

Area Code 357 Location & Details

Q: What timezone is area code 357?

Area code 357 operates on the Pacific timezone.

State / Region: California • Country: United States

Major Cities Covered: Fresno, Visalia, Clovis, Tulare, Madera, Porterville, Hanford, Lemoore, Sanger, Reedley

Standard Dial Format

+1 (357) XXX-XXXX

Country Code: +1 (NANP Format)

What State is Area Code 357?

CaliforniaState Hub →

Country Territory

United States

357 Area Code Time Zone

Pacific

357 Overlay Codes

559

Area Code 357 Geographic Map

Interactive location bounds and coverage area for California (Pacific Timezone)

Lat: 36.49° • Lng: -119.68°

📍 Geographic Center: CaliforniaMap data © OpenStreetMap contributors

Where is Area Code 357 Located?

Telephone area code 357 is assigned to California in United States. It serves cities and metropolitan communities including Fresno, Visalia, Clovis, Tulare, Madera, Porterville, Hanford, Lemoore, Sanger, Reedley.

Historical Context & Area Code Overlay Information:357 serves California (United States).

For local and long-distance calls within area code 357, standard 10-digit dialing (357) XXX-XXXX applies.

Who Called Me from Area Code 357?

Received an unknown call, missed call, or text scam from area code 357? Here is how to trace who is calling from 357 area code and verify unknown numbers safely:

Identify Missed Calls & Voicemails:

Legitimate contacts usually leave a detailed voicemail or caller ID record.

Watch Out for Neighbor Spoofing:

Robocallers often fake incoming caller ID numbers using your local 357 prefix to boost pick-up rates.

Reverse Phone Lookup Area Code 357:

Search public white-pages or use caller intelligence guides before returning unfamiliar calls.

Learn How Reverse Phone Lookups Work→

How to Call Area Code 357 & Dialing Format

When placing a phone call to a number in area code 357, follow the correct dialing format depending on your calling location:

Calling from inside the US / Canada (+1): Dial 1 + (357) + 7-digit number.
Calling from an international location outside +1: Dial your country's international exit code (e.g. 011 in US or + on mobile) + 1 + 357 + 7-digit number.
Do I need to dial area code 357 for local calls? Yes, 10-digit dialing (area code + line number) is mandatory across North American telephone networks.

Top Cities & Municipalities Served in Area Code 357

Urban centers, census places, and communities within the +1-357 calling area

29 Major Cities Listed

City Name	County	Population	% of 357 Pop
Fresno	Fresno County	555,549	38.6%
Visalia	Fresno County	146,541	10.2%
Clovis	Fresno County	129,347	9.0%
Tulare	Kings County	73,907	5.1%
Madera	Madera County	69,017	4.8%
Porterville	Tulare County	63,088	4.4%
Hanford	Kings County	62,229	4.3%
Lemoore	Kings County	27,291	1.9%
Sanger	Fresno County	27,228	1.9%
Reedley	Fresno County	26,982	1.9%
Dinuba	Fresno County	25,949	1.8%
Selma	Fresno County	24,702	1.7%
Corcoran	Kings County	22,358	1.6%
Chowchilla	Merced County	18,730	1.3%
Kerman	Fresno County	17,553	1.2%
Coalinga	Kings County	17,281	1.2%
Parlier	Fresno County	14,622	1.0%
Avenal	Kings County	13,479	0.9%
Kingsburg	Fresno County	13,249	0.9%
Mendota	Merced County	12,778	0.9%

Counties Covered by Area Code 357

Geographic county distribution and population coverage across California

County Name	Total Population	% of 357 Area	% of County
Fresno County	1,033,698	69.6%	97%
Kings County	154,119	15.5%	100%
Tulare County	483,851	7.2%	22%
Madera County	166,132	4.8%	42%
Merced County	296,807	2.8%	14%

☎️Area Code 357 Exchange Prefixes & Carriers

Showing 14 of 14 central office 3-digit prefixes and assigned telecom carriers

100% Landline0% Wireless0% VoIP

Prefix	Line Usage	Rate Center	Assigned Carrier	Assign Date
(357) 211-	📞Landline	XXXXXXXXXX	MULTIPLE OCN LISTING	N/A
(357) 311-	📞Landline	XXXXXXXXXX	MULTIPLE OCN LISTING	N/A
(357) 411-	📞Landline	XXXXXXXXXX	MULTIPLE OCN LISTING	N/A
(357) 511-	📞Landline	XXXXXXXXXX	MULTIPLE OCN LISTING	N/A
(357) 555-	📞Landline	DIR ASST	MULTIPLE OCN LISTING	N/A
(357) 611-	📞Landline	XXXXXXXXXX	MULTIPLE OCN LISTING	N/A
(357) 700-	📞Landline	XXXXXXXXXX	MULTIPLE OCN LISTING	N/A
(357) 711-	📞Landline	XXXXXXXXXX	MULTIPLE OCN LISTING	N/A
(357) 811-	📞Landline	XXXXXXXXXX	MULTIPLE OCN LISTING	N/A
(357) 911-	📞Landline	XXXXXXXXXX	MULTIPLE OCN LISTING	N/A
(357) 950-	📞Landline	XXXXXXXXXX	MULTIPLE OCN LISTING	N/A
(357) 958-	📞Landline	XXXXXXXXXX	MULTIPLE OCN LISTING	N/A
(357) 959-	📞Landline	XXXXXXXXXX	MULTIPLE OCN LISTING	N/A
(357) 976-	📞Landline	XXXXXXXXXX	MULTIPLE OCN LISTING	N/A

Frequently Asked Questions about Area Code 357

Where is area code 357 located?

Area code 357 is located in California (United States), serving cities like Fresno, Visalia, Clovis, Tulare, Madera, Porterville, Hanford, Lemoore, Sanger, Reedley.