Area Code Detail

Area Code 738

California (nearly the entire city of Los Angeles outside of the San Fernando Valley and smaller cities and unincorporated areas of Los Angeles County immediately to the south or east) · In service since November 1, 2024

CA
Reports, 30 Days 17

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

Reports, 180 Days 83

Broader complaint volume used to prioritize indexable pages.

Active Prefixes 38

Distinct NPA-NXX prefixes surfaced from routing and assignment data.

Carriers / Assignees 10

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

Cities / Rate Centers 15

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.

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Overview

What this area code covers

California (nearly the entire city of Los Angeles outside of the San Fernando Valley and smaller cities and unincorporated areas of Los Angeles County immediately to the south or east)

to be overlaid on 213/323

Common cities and rate centers

Los Angeles:da 01 Los Angeles:da 02 Los Angeles:da 03 Los Angeles:da 04 Los Angeles:da 05 Los Angeles:da 06 Los Angeles:da 07 Los Angeles:da 08 Los Angeles:da 09 Los Angeles:da 10 Los Angeles:da 11 Los Angeles:da 12 Los Angeles:da 13 Los Angeles:da 14 Montebello

Top carriers and assignees

  • ONVOY, LLC - CA · 173 routing rows
  • WIDE VOICE, LLC - CA · 26 routing rows
  • EXIANT COMMUNICATIONS LLC · 13 routing rows
  • T-MOBILE USA, INC. · 12 routing rows
  • BANDWIDTH.COM CLEC, LLC - CA · 11 routing rows
  • 8X8, INC. · 10 routing rows
  • CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA · 9 routing rows
  • OPENTACT INC. · 7 routing rows
  • TERRA NOVA TELECOM INC. · 2 routing rows
  • TELEPORT COMMUNICATIONS AMERICA, LLC - CA · 1 routing rows
NPA-NXX

Prefix directory inside area code 738

Each prefix below is collapsed to one primary locality row so you can scan the area code by prefix without the duplicated block-level assignment rows.

Prefix Primary Rate Center Primary City State
738-200-XXXX LSAN DA 10 Los Angeles:da 10 CA
738-201-XXXX LSAN DA 07 Los Angeles:da 07 CA
738-202-XXXX LSAN DA 04 Los Angeles:da 04 CA
738-203-XXXX LSAN DA 13 Los Angeles:da 13 CA
738-204-XXXX LSAN DA 08 Los Angeles:da 08 CA
738-205-XXXX LSAN DA 10 Los Angeles:da 10 CA
738-206-XXXX LSAN DA 11 Los Angeles:da 11 CA
738-207-XXXX LSAN DA 14 Los Angeles:da 14 CA
738-208-XXXX LSAN DA 09 Los Angeles:da 09 CA
738-209-XXXX LSAN DA 13 Los Angeles:da 13 CA
738-211-XXXX CA
738-222-XXXX LSAN DA 06 Los Angeles:da 06 CA
738-300-XXXX LSAN DA 06 Los Angeles:da 06 CA
738-311-XXXX CA
738-333-XXXX MONTEBELLO Montebello CA
738-411-XXXX CA
738-444-XXXX LSAN DA 12 Los Angeles:da 12 CA
738-511-XXXX CA
738-529-XXXX LSAN DA 03 Los Angeles:da 03 CA
738-555-XXXX CA
738-611-XXXX CA
738-666-XXXX MONTEBELLO Montebello CA
738-700-XXXX CA
738-711-XXXX CA
738-738-XXXX LSAN DA 06 Los Angeles:da 06 CA
738-777-XXXX LSAN DA 01 Los Angeles:da 01 CA
738-800-XXXX LSAN DA 04 Los Angeles:da 04 CA
738-811-XXXX CA
738-880-XXXX LSAN DA 01 Los Angeles:da 01 CA
738-888-XXXX LSAN DA 06 Los Angeles:da 06 CA
738-900-XXXX LSAN DA 05 Los Angeles:da 05 CA
738-911-XXXX CA
738-950-XXXX CA
738-958-XXXX CA
738-959-XXXX CA
738-976-XXXX CA
738-998-XXXX LSAN DA 02 Los Angeles:da 02 CA
738-999-XXXX LSAN DA 04 Los Angeles:da 04 CA
Important Numbers

Curated phone pages inside area code 738

These exact-number pages add editorial depth alongside the prefix directory by linking to complaint-heavy, report-rich, search-rich, or publicly identified phone pages inside this area code.

738-030-7280

Community reports keep this exact-number page relevant for callers researching the number.

1 report
Recent Signals

Latest complaint activity tied to 738

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

FTC report from San Dimas, CALIFORNIA

September 2, 2026 at 3:08 PM

738-200-4281 was logged as a unwanted call. Violation date: September 2, 2026 at 11:47 AM.

FTC report from NEW YORK

August 30, 2026 at 12:25 AM

738-203-3848 was logged as a robocall. Category: Dropped call or no message. Violation date: August 24, 2026 at 3:54 PM.

FTC report from Winterville, GEORGIA

August 28, 2026 at 4:28 PM

This report was logged as a live voice. Violation date: August 28, 2026 at 1:20 PM.

FTC report from Savannah, MISSOURI

August 24, 2026 at 12:33 PM

738-200-8470 was logged as a live voice. Violation date: August 24, 2026 at 10:50 AM.

FTC report from Culver City, CALIFORNIA

August 19, 2026 at 1:40 PM

738-200-4383 was logged as a robocall. Violation date: August 18, 2026 at 12:28 PM.

FTC report from Huntington Beach, CALIFORNIA

August 18, 2026 at 7:42 PM

738-200-4306 was logged as a robocall. Violation date: August 17, 2026 at 9:05 AM.

FTC report from Culver City, CALIFORNIA

August 14, 2026 at 8:02 PM

738-200-4370 was logged as a robocall. Violation date: August 14, 2026 at 10:51 AM.

FTC report from Carson, CALIFORNIA

August 13, 2026 at 2:23 PM

738-200-2166 was logged as a unwanted call. Category: No Subject Provided. Violation date: August 13, 2026 at 12:00 AM.

FTC report from Selden, NEW YORK

August 12, 2026 at 4:53 PM

738-200-8267 was logged as a live voice. Violation date: August 11, 2026 at 2:46 PM.

FTC report from Monument, COLORADO

August 11, 2026 at 3:10 PM

738-200-4370 was logged as a live voice. Category: Home improvement & cleaning. Violation date: August 6, 2026 at 11:53 AM.

FTC report from Columbia, SOUTH CAROLINA

August 11, 2026 at 2:45 PM

This report was logged as a live voice. Violation date: August 10, 2026 at 8:30 AM.

FTC report from Mckeesport, PENNSYLVANIA

August 11, 2026 at 2:25 PM

738-268-1162 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: August 11, 2026 at 6:17 PM.

FTC report from San Dimas, CALIFORNIA

August 8, 2026 at 8:31 PM

738-200-6412 was logged as a robocall. Violation date: August 6, 2026 at 6:30 AM.

FTC report from San Dimas, CALIFORNIA

August 8, 2026 at 8:26 PM

738-200-6412 was logged as a robocall. Violation date: August 6, 2026 at 6:30 PM.

FTC report from CALIFORNIA

August 8, 2026 at 6:05 PM

738-200-4321 was logged as a robocall. Category: Dropped call or no message. Violation date: August 4, 2026 at 11:54 AM.

FTC report from Long Beach, CALIFORNIA

August 7, 2026 at 4:17 PM

738-200-4353 was logged as a live voice. Category: Dropped call or no message. Violation date: August 6, 2026 at 10:18 AM.

FTC report from Bryn Mawr, PENNSYLVANIA

August 5, 2026 at 7:42 PM

This report was logged as a robocall. Violation date: August 5, 2026 at 7:41 PM.

FTC report from Las Cruces, NEW MEXICO

July 31, 2026 at 2:36 PM

This report was logged as a live voice. Violation date: July 22, 2026 at 3:15 PM.

FTC report from CALIFORNIA

July 30, 2026 at 3:08 PM

738-200-4319 was logged as a robocall. Category: Dropped call or no message. Violation date: July 30, 2026 at 12:01 PM.

FTC report from Redondo Beach, CALIFORNIA

July 30, 2026 at 2:35 PM

738-200-4365 was logged as a live voice. Category: Dropped call or no message. Violation date: July 30, 2026 at 11:35 AM.

FTC report from San Dimas, CALIFORNIA

July 29, 2026 at 5:31 PM

738-200-4354 was logged as a robocall. Violation date: July 29, 2026 at 11:14 AM.

FTC report from CALIFORNIA

July 29, 2026 at 2:36 PM

738-200-4334 was logged as a robocall. Violation date: July 29, 2026 at 10:14 AM.

FTC report from CALIFORNIA

July 29, 2026 at 1:47 PM

738-200-4315 was logged as a robocall. Category: Dropped call or no message. Violation date: July 29, 2026 at 10:36 AM.

FTC report from ILLINOIS

July 24, 2026 at 8:33 PM

738-200-7588 was logged as a live voice. Category: Home improvement & cleaning. Violation date: July 24, 2026 at 7:05 PM.

FTC report from Redondo Beach, CALIFORNIA

July 24, 2026 at 12:21 AM

738-200-4306 was logged as a live voice. Category: Dropped call or no message. Violation date: July 22, 2026 at 12:28 PM.

FTC report from Culver City, CALIFORNIA

July 22, 2026 at 7:47 PM

738-200-4312 was logged as a robocall. Violation date: July 22, 2026 at 8:44 AM.

FTC report from Arlington Heights, ILLINOIS

July 15, 2026 at 7:38 PM

738-222-4723 was logged as a robocall. Violation date: July 13, 2026 at 2:52 PM.

FTC report from Arlington Heights, ILLINOIS

July 15, 2026 at 7:35 PM

738-222-4723 was logged as a robocall. Violation date: July 14, 2026 at 1:31 PM.

FTC report from CALIFORNIA

July 13, 2026 at 11:57 PM

738-200-4353 was logged as a robocall. Category: Dropped call or no message. Violation date: July 13, 2026 at 4:24 PM.

FTC report from Fullerton, CALIFORNIA

July 8, 2026 at 6:41 PM

738-200-4356 was logged as a live voice. Category: Dropped call or no message. Violation date: July 8, 2026 at 3:31 PM.

FTC report from Huntington Beach, CALIFORNIA

July 8, 2026 at 2:59 PM

738-200-4324 was logged as a robocall. Violation date: July 7, 2026 at 9:44 AM.

FTC report from Sanford, FLORIDA

July 8, 2026 at 11:19 AM

738-200-4108 was logged as a unwanted call. Violation date: July 8, 2026 at 10:01 AM.

FTC report from Long Beach, CALIFORNIA

July 7, 2026 at 3:47 AM

738-200-4286 was logged as a live voice. Category: Dropped call or no message. Violation date: June 30, 2026 at 4:15 PM.

FTC report from CALIFORNIA

July 3, 2026 at 7:12 PM

738-200-4376 was logged as a robocall. Category: Dropped call or no message. Violation date: July 3, 2026 at 12:16 PM.

FTC report from CALIFORNIA

June 30, 2026 at 4:49 PM

738-200-4336 was logged as a robocall. Category: Dropped call or no message. Violation date: June 30, 2026 at 11:44 AM.

FTC report from Torrance, CALIFORNIA

June 30, 2026 at 12:51 PM

738-200-4305 was logged as a robocall. Category: No Subject Provided. Violation date: June 29, 2026 at 10:48 AM.

FTC report from Savannah, CALIFORNIA

June 29, 2026 at 6:05 PM

738-003-2839 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: June 27, 2026 at 9:45 AM.

FTC report from Redondo Beach, CALIFORNIA

June 24, 2026 at 7:50 PM

738-200-4377 was logged as a live voice. Category: Dropped call or no message. Violation date: June 24, 2026 at 3:58 PM.

FTC report from San Dimas, CALIFORNIA

June 22, 2026 at 3:10 PM

738-200-4316 was logged as a robocall. Violation date: June 22, 2026 at 10:54 AM.

FTC report from CALIFORNIA

June 12, 2026 at 1:04 PM

738-201-2504 was logged as a robocall. Category: Home improvement & cleaning. Violation date: June 12, 2026 at 10:00 AM.