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Area Code Detail

Area Code 357

CA · In service since 2025-03-26

CA
Reports, 30 Days 3

Recent FCC and FTC complaint records tied to this area code.

Reports, 180 Days 12

Broader complaint volume used to prioritize indexable pages.

Active Prefixes 18

Distinct NPA-NXX exchanges surfaced from routing and complaint data.

Carriers / Assignees 1

Named carriers, assignees, or code holders found in routing data.

Cities / Rate Centers 0

Distinct cities or rate centers attached to this area code.

States / Territories 1

Coverage footprint visible from NANPA, pooled block, and Canada routing data.

North American Phone Intelligence

Search a phone number, area code, exchange, or short code

Paste raw digits, a formatted phone number, an area code, an NPA-NXX block, or a short code. US and Canada phone lookups route automatically, and international iMessage checks are available separately.

Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Overview

What this area code covers

CA

Top carriers and assignees

  • MULTIPLE OCN LISTING · 14 routing rows
NPA-NXX

Strongest exchanges inside area code 357

These prefixes combine recent complaint concentration with routing or assignment density, which makes them good candidates for indexing and exploration.

Prefix Complaint Score Routing Rows Companies Cities
357-914 5 0 0 0
357-216 4 0 0 0
357-441 4 0 0 0
357-467 4 0 0 0
357-211 0 1 1 0
357-311 0 1 1 0
357-411 0 1 1 0
357-511 0 1 1 0
357-555 0 1 1 0
357-611 0 1 1 0
357-700 0 1 1 0
357-711 0 1 1 0
357-811 0 1 1 0
357-911 0 1 1 0
357-950 0 1 1 0
357-958 0 1 1 0
357-959 0 1 1 0
357-976 0 1 1 0
Recent Signals

Latest complaint activity tied to 357

Complaint pages are the strongest indexing opportunity for this site right now, especially for exact phone numbers and toll-free exchanges.

FTC report from Parkville, MISSOURI

April 19, 2026 at 2:15 PM

357-467-8598 was logged as a robocall. Violation date: April 17, 2026 at 3:21 PM.

FTC report from Brookville, PENNSYLVANIA

March 25, 2026 at 12:13 PM

This report was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: March 25, 2026 at 12:10 PM.

FTC report from Seaford, DELAWARE

March 24, 2026 at 9:03 PM

This report was logged as a live voice. Violation date: March 17, 2026 at 12:00 PM.

FTC report from Faytteville, NEW YORK

March 17, 2026 at 11:33 AM

This report was logged as a live voice. Violation date: March 17, 2026 at 11:29 AM.

FTC report from Akron, OHIO

March 17, 2026 at 10:06 AM

This report was logged as a robocall. Violation date: March 5, 2026 at 2:29 PM.

FCC report from Town Of Tonawanda, NY

February 25, 2026 at 8:59 PM

866-959-1689 was logged as a prerecorded voice. Category: Other Services. Unwanted Calls. Contact method: Internet (VOIP).

FTC report from Cadillac, MICHIGAN

February 18, 2026 at 3:17 PM

357-216-5664 was logged as a robocall. Violation date: February 18, 2026 at 2:52 PM.

FTC report from KENTUCKY

January 29, 2026 at 1:49 PM

This report was logged as a robocall. Category: Dropped call or no message. Violation date: January 28, 2026 at 11:29 AM.

FTC report from KENTUCKY

January 28, 2026 at 11:36 AM

This report was logged as a robocall. Category: Dropped call or no message. Violation date: January 28, 2026 at 11:29 AM.

FTC report from Berkeley, CALIFORNIA

January 22, 2026 at 12:03 PM

357-441-1730 was logged as a robocall. Violation date: January 21, 2026 at 8:43 AM.

FTC report from Ecorse, MICHIGAN

December 3, 2025 at 9:20 PM

This report was logged as a robocall. Violation date: December 3, 2025 at 4:02 PM.

FTC report from Harriman, TENNESSEE

December 2, 2025 at 10:12 AM

This report was logged as a unwanted call. Violation date: December 2, 2025 at 9:33 AM.

FTC report from Redford, MICHIGAN

September 23, 2025 at 3:56 PM

This report was logged as a live voice. Violation date: September 10, 2025 at 2:15 PM.

FTC report from NEW JERSEY

September 4, 2025 at 7:33 PM

357-203-3103 was logged as a robocall. Category: No Subject Provided. Violation date: September 4, 2025 at 7:28 PM.

FTC report from Olathe, KANSAS

August 27, 2025 at 12:37 PM

This report was logged as a robocall. Category: Dropped call or no message. Violation date: August 26, 2025 at 12:00 AM.

FTC report from Riceboro, GEORGIA

August 11, 2025 at 2:50 PM

This report was logged as a live voice. Violation date: August 11, 2025 at 9:58 AM.

FTC report from Orange, CALIFORNIA

August 9, 2025 at 6:27 PM

357-204-0797 was logged as a robocall. Violation date: August 7, 2025 at 11:56 AM.

FTC report from Joliet, ILLINOIS

July 28, 2025 at 1:54 PM

357-907-1140 was logged as a robocall. Violation date: July 28, 2025 at 10:18 AM.

FTC report from KENTUCKY

May 21, 2025 at 12:50 PM

This report was logged as a live voice. Category: Dropped call or no message. Violation date: May 21, 2025 at 12:06 PM.

FTC report from Akron, OHIO

April 22, 2025 at 8:55 AM

This report was logged as a robocall. Violation date: April 5, 2025 at 5:54 PM.

FTC report from INDIANA

April 3, 2025 at 7:43 PM

This report was logged as a robocall. Violation date: March 29, 2025 at 2:30 PM.

FTC report from CALIFORNIA

March 25, 2025 at 9:45 PM

357-772-9722 was logged as a robocall. Category: No Subject Provided. Violation date: March 1, 2025 at 12:00 AM.

FTC report from Test, CALIFORNIA

March 25, 2025 at 9:45 PM

357-444-8888 was logged as a robocall. Violation date: March 25, 2025 at 12:00 AM.

FTC report from Akron, OHIO

March 19, 2025 at 9:42 AM

This report was logged as a robocall. Violation date: February 22, 2025 at 6:27 PM.

FTC report from Kenosha, WISCONSIN

March 5, 2025 at 5:03 PM

357-233-7601 was logged as a live voice. Category: No Subject Provided. Violation date: March 5, 2025 at 4:57 PM.

FTC report from INDIANA

March 4, 2025 at 7:20 PM

This report was logged as a robocall. Violation date: March 4, 2025 at 4:06 PM.

FTC report from INDIANA

February 26, 2025 at 1:59 PM

This report was logged as a robocall. Violation date: February 26, 2025 at 12:41 PM.

FTC report from Quakertown, PENNSYLVANIA

January 27, 2025 at 4:01 PM

357-913-0671 was logged as a robocall. Violation date: January 27, 2025 at 3:27 PM.

FTC report from Kendall, NEW YORK

January 27, 2025 at 3:26 PM

This report was logged as a unwanted call. Category: No Subject Provided. Violation date: January 15, 2025 at 1:33 PM.

FTC report from Eustis, FLORIDA

December 17, 2024 at 4:08 PM

This report was logged as a unwanted call. Category: Dropped call or no message. Violation date: December 17, 2024 at 11:51 AM.

FTC report from Eustis, FLORIDA

December 17, 2024 at 4:07 PM

This report was logged as a unwanted call. Violation date: December 17, 2024 at 11:38 AM.

FTC report from ILLINOIS

December 12, 2024 at 10:33 AM

This report was logged as a unwanted call. Violation date: December 12, 2024 at 8:05 AM.

FTC report from Las Vegas, NEVADA

December 9, 2024 at 11:13 AM

357-221-9706 was logged as a robocall. Category: Dropped call or no message. Violation date: December 9, 2024 at 7:53 AM.

FTC report from INDIANA

November 20, 2024 at 5:07 PM

357-202-8587 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: November 20, 2024 at 4:00 PM.

FTC report from Akron, OHIO

November 4, 2024 at 10:26 AM

This report was logged as a robocall. Violation date: October 14, 2024 at 4:42 PM.

FTC report from PUERTO RICO

October 30, 2024 at 10:44 AM

This report was logged as a robocall. Violation date: October 30, 2024 at 10:35 AM.

FTC report from NEW YORK

October 4, 2024 at 10:45 AM

357-591-7077 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: October 4, 2024 at 10:40 AM.

FTC report from Lima

September 12, 2024 at 11:26 PM

This report was logged as a live voice. Violation date: August 14, 2024 at 12:00 PM.

FTC report from Enumclaw, WASHINGTON

August 17, 2024 at 1:13 AM

This report was logged as a live voice. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 15, 2024 at 4:33 PM.

FTC report from Kendall, NEW YORK

August 8, 2024 at 2:13 PM

This report was logged as a unwanted call. Category: No Subject Provided. Violation date: August 1, 2024 at 3:47 PM.

Routing

Detailed routing and assignment data

This table merges NANPA, pooled block, and Canadian assignment sources where available.

Prefix Block Carrier / Assignee Rate Center City State Use Type Assign Date
357-211 XXXX MULTIPLE OCN LISTING XXXXXXXXXX CA UA
357-311 XXXX MULTIPLE OCN LISTING XXXXXXXXXX CA UA
357-411 XXXX MULTIPLE OCN LISTING XXXXXXXXXX CA UA
357-511 XXXX MULTIPLE OCN LISTING XXXXXXXXXX CA UA
357-555 XXXX MULTIPLE OCN LISTING DIR ASST CA UA
357-611 XXXX MULTIPLE OCN LISTING XXXXXXXXXX CA UA
357-700 XXXX MULTIPLE OCN LISTING XXXXXXXXXX CA UA
357-711 XXXX MULTIPLE OCN LISTING XXXXXXXXXX CA UA
357-811 XXXX MULTIPLE OCN LISTING XXXXXXXXXX CA UA
357-911 XXXX MULTIPLE OCN LISTING XXXXXXXXXX CA UA
357-950 XXXX MULTIPLE OCN LISTING XXXXXXXXXX CA UA
357-958 XXXX MULTIPLE OCN LISTING XXXXXXXXXX CA UA
357-959 XXXX MULTIPLE OCN LISTING XXXXXXXXXX CA UA
357-976 XXXX MULTIPLE OCN LISTING XXXXXXXXXX CA UA