Area Code Detail

Area Code 341

California (coastal regions of the East Bay—Oakland, Fremont, Hayward, Richmond, Berkeley, and Alameda) · In service since July 22, 2019

CA
Reports, 30 Days 70

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

Reports, 180 Days 669

Broader complaint volume used to prioritize indexable pages.

Active Prefixes 122

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

Carriers / Assignees 27

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

Cities / Rate Centers 13

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 (coastal regions of the East Bay—Oakland, Fremont, Hayward, Richmond, Berkeley, and Alameda)

overlaid on 510

Common cities and rate centers

Crockett El Sobrante-pinole Fremont-newark:greenleaf Da Fremont-newark:main Da Fremont-newark:oliver Da Hayward Hercules-rodeo Oakland:alameda Da Oakland:berkeley Da Oakland:fruitvale Da Oakland:main-piedmont Da Oakland:trinidad Da Richmond

Top carriers and assignees

  • ONVOY, LLC - CA · 344 routing rows
  • T-MOBILE USA, INC. · 157 routing rows
  • NEW CINGULAR WIRELESS PCS, LLC · 147 routing rows
  • CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA · 101 routing rows
  • BANDWIDTH.COM CLEC, LLC - CA · 93 routing rows
  • FRACTEL, LLC · 92 routing rows
  • ONVOY SPECTRUM, LLC · 62 routing rows
  • PEERLESS NETWORK OF CALIFORNIA, LLC - CA · 24 routing rows
  • SONIC TELECOM, LLC - CA · 24 routing rows
  • TELNYX LLC · 22 routing rows
  • COMMIO, LLC · 22 routing rows
  • METROPCS, INC. · 17 routing rows
NPA-NXX

Prefix directory inside area code 341

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
341-200-XXXX HRCUL-RODE Hercules-rodeo CA
341-201-XXXX FRNK OLIVR Fremont-newark:oliver Da CA
341-202-XXXX OKLD MN-PD Oakland:main-piedmont Da CA
341-203-XXXX RICHMOND Richmond CA
341-204-XXXX FRNK GRNLF Fremont-newark:greenleaf Da CA
341-205-XXXX OKLD MN-PD Oakland:main-piedmont Da CA
341-206-XXXX FRNK MAIN Fremont-newark:main Da CA
341-207-XXXX RICHMOND Richmond CA
341-208-XXXX HAYWARD Hayward CA
341-209-XXXX FRNK OLIVR Fremont-newark:oliver Da CA
341-210-XXXX OKLD ALMD Oakland:alameda Da CA
341-211-XXXX CA
341-212-XXXX OKLD BKLY Oakland:berkeley Da CA
341-213-XXXX OKLD MN-PD Oakland:main-piedmont Da CA
341-214-XXXX HRCUL-RODE Hercules-rodeo CA
341-215-XXXX RICHMOND Richmond CA
341-216-XXXX FRNK MAIN Fremont-newark:main Da CA
341-217-XXXX OKLD ALMD Oakland:alameda Da CA
341-218-XXXX OKLD FRTVL Oakland:fruitvale Da CA
341-219-XXXX OKLD BKLY Oakland:berkeley Da CA
341-220-XXXX OKLD MN-PD Oakland:main-piedmont Da CA
341-221-XXXX HAYWARD Hayward CA
341-222-XXXX OKLD FRTVL Oakland:fruitvale Da CA
341-223-XXXX OKLD ALMD Oakland:alameda Da CA
341-224-XXXX FRNK MAIN Fremont-newark:main Da CA
341-225-XXXX FRNK GRNLF Fremont-newark:greenleaf Da CA
341-226-XXXX OKLD FRTVL Oakland:fruitvale Da CA
341-227-XXXX FRNK OLIVR Fremont-newark:oliver Da CA
341-228-XXXX FRNK MAIN Fremont-newark:main Da CA
341-229-XXXX OKLD MN-PD Oakland:main-piedmont Da CA
341-230-XXXX RICHMOND Richmond CA
341-231-XXXX ELSBR-PINL El Sobrante-pinole CA
341-232-XXXX HAYWARD Hayward CA
341-233-XXXX FRNK MAIN Fremont-newark:main Da CA
341-234-XXXX OKLD ALMD Oakland:alameda Da CA
341-235-XXXX FRNK GRNLF Fremont-newark:greenleaf Da CA
341-236-XXXX FRNK OLIVR Fremont-newark:oliver Da CA
341-237-XXXX OKLD BKLY Oakland:berkeley Da CA
341-238-XXXX OKLD FRTVL Oakland:fruitvale Da CA
341-239-XXXX OKLD ALMD Oakland:alameda Da CA
341-240-XXXX HAYWARD Hayward CA
341-241-XXXX HAYWARD Hayward CA
341-242-XXXX RICHMOND Richmond CA
341-243-XXXX HRCUL-RODE Hercules-rodeo CA
341-244-XXXX OKLD TRNID Oakland:trinidad Da CA
341-245-XXXX HAYWARD Hayward CA
341-246-XXXX FRNK OLIVR Fremont-newark:oliver Da CA
341-247-XXXX RICHMOND Richmond CA
341-248-XXXX FRNK GRNLF Fremont-newark:greenleaf Da CA
341-249-XXXX FRNK GRNLF Fremont-newark:greenleaf Da CA
341-250-XXXX OKLD FRTVL Oakland:fruitvale Da CA
341-251-XXXX ELSBR-PINL El Sobrante-pinole CA
341-252-XXXX FRNK MAIN Fremont-newark:main Da CA
341-253-XXXX OKLD BKLY Oakland:berkeley Da CA
341-254-XXXX OKLD BKLY Oakland:berkeley Da CA
341-255-XXXX OKLD BKLY Oakland:berkeley Da CA
341-256-XXXX OKLD FRTVL Oakland:fruitvale Da CA
341-257-XXXX FRNK MAIN Fremont-newark:main Da CA
341-258-XXXX HAYWARD Hayward CA
341-259-XXXX ELSBR-PINL El Sobrante-pinole CA
341-260-XXXX HAYWARD Hayward CA
341-261-XXXX FRNK GRNLF Fremont-newark:greenleaf Da CA
341-262-XXXX HAYWARD Hayward CA
341-263-XXXX FRNK MAIN Fremont-newark:main Da CA
341-264-XXXX OKLD MN-PD Oakland:main-piedmont Da CA
341-265-XXXX ELSBR-PINL El Sobrante-pinole CA
341-299-XXXX OKLD TRNID Oakland:trinidad Da CA
341-300-XXXX RICHMOND Richmond CA
341-311-XXXX CA
341-314-XXXX ELSBR-PINL El Sobrante-pinole CA
341-333-XXXX OKLD BKLY Oakland:berkeley Da CA
341-336-XXXX FRNK GRNLF Fremont-newark:greenleaf Da CA
341-341-XXXX FRNK OLIVR Fremont-newark:oliver Da CA
341-342-XXXX FRNK OLIVR Fremont-newark:oliver Da CA
341-344-XXXX OKLD TRNID Oakland:trinidad Da CA
341-345-XXXX FRNK MAIN Fremont-newark:main Da CA
341-348-XXXX FRNK MAIN Fremont-newark:main Da CA
341-356-XXXX FRNK MAIN Fremont-newark:main Da CA
341-386-XXXX HAYWARD Hayward CA
341-388-XXXX RICHMOND Richmond CA
341-400-XXXX OKLD FRTVL Oakland:fruitvale Da CA
341-411-XXXX CA
341-420-XXXX OKLD FRTVL Oakland:fruitvale Da CA
341-441-XXXX OKLD MN-PD Oakland:main-piedmont Da CA
341-444-XXXX CROCKETT Crockett CA
341-465-XXXX FRNK MAIN Fremont-newark:main Da CA
341-500-XXXX ELSBR-PINL El Sobrante-pinole CA
341-510-XXXX CA
341-511-XXXX CA
341-512-XXXX OKLD BKLY Oakland:berkeley Da CA
341-529-XXXX FRNK MAIN Fremont-newark:main Da CA
341-555-XXXX DIR ASST CA
341-587-XXXX FRNK GRNLF Fremont-newark:greenleaf Da CA
341-600-XXXX ELSBR-PINL El Sobrante-pinole CA
341-611-XXXX CA
341-666-XXXX OKLD TRNID Oakland:trinidad Da CA
341-667-XXXX OKLD FRTVL Oakland:fruitvale Da CA
341-688-XXXX OKLD BKLY Oakland:berkeley Da CA
341-699-XXXX OKLD MN-PD Oakland:main-piedmont Da CA
341-700-XXXX CA
341-711-XXXX CA
341-732-XXXX ELSBR-PINL El Sobrante-pinole CA
341-758-XXXX OKLD FRTVL Oakland:fruitvale Da CA
341-766-XXXX OKLD BKLY Oakland:berkeley Da CA
341-777-XXXX HAYWARD Hayward CA
341-786-XXXX FRNK MAIN Fremont-newark:main Da CA
341-799-XXXX RICHMOND Richmond CA
341-800-XXXX HAYWARD Hayward CA
341-811-XXXX CA
341-837-XXXX ELSBR-PINL El Sobrante-pinole CA
341-867-XXXX CROCKETT Crockett CA
341-888-XXXX FRNK MAIN Fremont-newark:main Da CA
341-895-XXXX OKLD ALMD Oakland:alameda Da CA
341-899-XXXX OKLD TRNID Oakland:trinidad Da CA
341-900-XXXX CROCKETT Crockett CA
341-911-XXXX CA
341-946-XXXX OKLD BKLY Oakland:berkeley Da CA
341-950-XXXX CA
341-958-XXXX CA
341-959-XXXX CA
341-976-XXXX CA
341-999-XXXX RICHMOND Richmond CA
Recent Signals

Latest complaint activity tied to 341

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

FTC report from Culver City, CALIFORNIA

June 8, 2026 at 8:35 PM

341-217-7852 was logged as a robocall. Violation date: June 8, 2026 at 2:39 PM.

FTC report from Half Moon Bay, CALIFORNIA

June 8, 2026 at 2:58 PM

341-217-9773 was logged as a live voice. Violation date: June 8, 2026 at 10:06 AM.

FTC report from SOUTH DAKOTA

June 8, 2026 at 2:46 PM

This report was logged as a robocall. Category: Warranties & protection plans. Violation date: June 8, 2026 at 11:00 AM.

FTC report from Carmel, CALIFORNIA

June 7, 2026 at 8:53 PM

341-214-3895 was logged as a live voice. Violation date: June 7, 2026 at 3:14 PM.

FTC report from Stockton, CALIFORNIA

June 7, 2026 at 12:20 AM

341-229-5490 was logged as a robocall. Category: Dropped call or no message. Violation date: June 5, 2026 at 10:12 AM.

FTC report from CALIFORNIA

June 6, 2026 at 5:22 PM

341-529-9384 was logged as a robocall. Category: Dropped call or no message. Violation date: June 5, 2026 at 12:21 PM.

FTC report from Clovis, CALIFORNIA

June 5, 2026 at 2:03 AM

341-800-0276 was logged as a live voice. Violation date: May 12, 2026 at 9:19 AM.

FTC report from Inglewood, CALIFORNIA

June 4, 2026 at 6:36 PM

341-200-5742 was logged as a robocall. Violation date: June 4, 2026 at 3:28 PM.

FTC report from Allen Park, MICHIGAN

June 4, 2026 at 6:26 PM

341-224-2635 was logged as a robocall. Violation date: May 13, 2026 at 5:14 PM.

FTC report from Columbia, TENNESSEE

June 4, 2026 at 5:16 PM

341-758-6642 was logged as a live voice. Violation date: June 4, 2026 at 12:00 AM.

FTC report from New York, NEW YORK

June 4, 2026 at 4:53 PM

341-221-6320 was logged as a robocall. Violation date: June 4, 2026 at 4:29 PM.

FTC report from KENTUCKY

June 4, 2026 at 3:53 PM

341-221-3856 was logged as a live voice. Violation date: June 4, 2026 at 2:46 PM.

FTC report from Los Angeles, CALIFORNIA

June 4, 2026 at 2:43 PM

341-220-4802 was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: June 4, 2026 at 11:10 AM.

FTC report from CALIFORNIA

June 4, 2026 at 2:08 PM

341-356-9212 was logged as a robocall. Violation date: February 13, 2026 at 8:52 AM.

FTC report from Piedmont, CALIFORNIA

June 4, 2026 at 1:45 PM

341-209-4634 was logged as a live voice. Category: Dropped call or no message. Violation date: June 4, 2026 at 10:44 AM.

FTC report from Pleasanton, CALIFORNIA

June 3, 2026 at 7:34 PM

341-227-2350 was logged as a unwanted call. Category: No Subject Provided. Violation date: May 18, 2026 at 1:02 PM.

FTC report from TEXAS

June 3, 2026 at 11:37 AM

341-234-6554 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: June 3, 2026 at 10:12 AM.

FTC report from San Ramon, CALIFORNIA

June 2, 2026 at 8:33 PM

341-212-0044 was logged as a live voice. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: June 2, 2026 at 3:52 PM.

FTC report from Piedmont, CALIFORNIA

June 2, 2026 at 2:10 PM

341-209-4346 was logged as a live voice. Category: Dropped call or no message. Violation date: June 2, 2026 at 9:40 AM.

FTC report from Sherman Oaks, CALIFORNIA

June 2, 2026 at 1:35 PM

341-441-8983 was logged as a live voice. Violation date: June 1, 2026 at 1:14 PM.

FTC report from Beverly Hills, CALIFORNIA

June 2, 2026 at 11:42 AM

341-203-9627 was logged as a live voice. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: June 2, 2026 at 7:24 AM.

FTC report from INDIANA

June 2, 2026 at 9:26 AM

341-400-4732 was logged as a robocall. Category: Dropped call or no message. Violation date: May 31, 2026 at 6:06 PM.

FTC report from San Jose, CALIFORNIA

June 1, 2026 at 7:54 PM

341-786-9764 was logged as a robocall. Violation date: May 30, 2026 at 5:32 PM.

FTC report from San Jose, CALIFORNIA

June 1, 2026 at 7:53 PM

341-786-9344 was logged as a robocall. Violation date: May 31, 2026 at 12:40 PM.

FTC report from OHIO

June 1, 2026 at 6:23 PM

341-999-8896 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: June 1, 2026 at 6:08 PM.

FTC report from TENNESSEE

June 1, 2026 at 5:59 PM

341-213-9236 was logged as a robocall. Violation date: May 31, 2026 at 5:16 PM.

FTC report from San Ramon, CALIFORNIA

June 1, 2026 at 4:49 PM

341-203-7432 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: June 1, 2026 at 1:16 PM.

FTC report from New York, NEW YORK

June 1, 2026 at 2:12 PM

341-800-0201 was logged as a robocall. Violation date: June 1, 2026 at 1:37 PM.

FTC report from La, CALIFORNIA

June 1, 2026 at 1:02 PM

341-240-4259 was logged as a live voice. Violation date: June 1, 2026 at 8:37 AM.

FTC report from San Jose, CALIFORNIA

May 30, 2026 at 9:04 PM

341-247-3889 was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: May 30, 2026 at 12:00 PM.

FTC report from MISSISSIPPI

May 30, 2026 at 7:27 PM

341-345-6133 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: May 30, 2026 at 6:26 PM.

FTC report from CALIFORNIA

May 30, 2026 at 6:50 PM

341-225-2737 was logged as a robocall. Category: Dropped call or no message. Violation date: May 25, 2026 at 11:53 AM.

FTC report from FLORIDA

May 30, 2026 at 9:33 AM

341-336-2271 was logged as a robocall. Violation date: May 29, 2026 at 5:10 PM.

FTC report from MARYLAND

May 29, 2026 at 9:04 PM

341-529-9051 was logged as a live voice. Violation date: May 29, 2026 at 9:02 PM.

FTC report from York, PENNSYLVANIA

May 29, 2026 at 7:11 PM

341-348-6956 was logged as a live voice. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: May 29, 2026 at 6:35 PM.

FTC report from FLORIDA

May 29, 2026 at 1:12 PM

341-336-2232 was logged as a robocall. Violation date: May 29, 2026 at 10:16 AM.

FTC report from Dallas, TEXAS

May 27, 2026 at 4:26 PM

341-600-0294 was logged as a robocall. Violation date: May 27, 2026 at 1:57 PM.

FTC report from CALIFORNIA

May 27, 2026 at 2:07 PM

341-217-0441 was logged as a live voice. Category: Vacation & timeshares. Violation date: May 27, 2026 at 10:47 AM.

FTC report from San Jose, CALIFORNIA

May 27, 2026 at 2:36 AM

341-209-9419 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: May 25, 2026 at 9:03 PM.

FTC report from San Francisco, CALIFORNIA

May 26, 2026 at 7:43 PM

341-786-9220 was logged as a robocall. Category: Home improvement & cleaning. Violation date: May 26, 2026 at 3:40 PM.