510-400

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Phone Lookup Top Complaints Area Codes NPA-NXX iMessage

Raw Number	510400
Basic Format	510-400
NPA (Area Code)	510
NXX	400

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date
510-400-0XXX	7229	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	FRNK GRNLF	RT		FREMONT-NEWARK:GREENLEAF DA	CA	WC
510-400-1XXX	7229	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	FRNK GRNLF	RT		FREMONT-NEWARK:GREENLEAF DA	CA	WC
510-400-2XXX	7229	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	FRNK GRNLF	RT		FREMONT-NEWARK:GREENLEAF DA	CA	WC
510-400-3XXX	318J	COMCAST IP PHONE, LLC	FRNK GRNLF	AS	08/31/2011	FREMONT-NEWARK:GREENLEAF DA	CA	WC	09/26/2011
510-400-4XXX	8826	LEVEL 3 COMMUNICATIONS, LLC - CA	FRNK GRNLF	AS	12/18/2002	FREMONT-NEWARK:GREENLEAF DA	CA	WC	01/10/2003
510-400-5XXX	981E	BANDWIDTH.COM CLEC, LLC - CA	FRNK GRNLF	AS	02/03/2012	FREMONT-NEWARK:GREENLEAF DA	CA	WC	03/02/2012
510-400-6XXX	8826	LEVEL 3 COMMUNICATIONS, LLC - CA	FRNK GRNLF	AS	12/31/2012	FREMONT-NEWARK:GREENLEAF DA	CA	WC	01/24/2013
510-400-7XXX	8826	LEVEL 3 COMMUNICATIONS, LLC - CA	FRNK GRNLF	AS	12/10/2004	FREMONT-NEWARK:GREENLEAF DA	CA	WC	12/22/2004
510-400-8XXX	8826	LEVEL 3 COMMUNICATIONS, LLC - CA	FRNK GRNLF	AS	03/30/2005	FREMONT-NEWARK:GREENLEAF DA	CA	WC	04/23/2005
510-400-9XXX	318J	COMCAST IP PHONE, LLC	FRNK GRNLF	AS	03/11/2009	FREMONT-NEWARK:GREENLEAF DA	CA	WC	03/23/2009
510-400-XXXX	7229	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	FRNK GRNLF	AS		FREMONT-NEWARK:GREENLEAF DA	CA

Business/Government Phones on the 510-400 Prefix

Phone	Name	Address
510-400-1466	Code Ninjas Fremont
510-400-3987	Hayward Wheels Repair & Tires, Inc
510-400-4198	California Cementery Brokers
510-400-4363	Golden Bay Tech Appliance Repair
510-400-5555	Bay Express Towing
510-400-5760	Danville Orthodontics
510-400-6171	Golden Restore, Inc.
510-400-8006	Virtual Assistant Talent, LLC
510-400-8635	GMS Audio Visual, Inc.
510-400-8690	Mas Fuego Restaurant
510-400-8757	Bingo Biotech LLC
510-400-1466	Code Ninjas	46525 Mission Blvd US
510-400-2900	Dust Networks	32990 Alvarado-Niles Road Union City 94587 US
510-400-3760	Virasat Indian Cuisine	31080 Union City Boulevard Union City 94587 US
510-400-5080	Nuvo Dental	31780 Alvarado Boulevard Union City 94587 US
510-400-8247	Bar Bay Grill	1784 Decoto Road Union City 94587 US
510-400-8345	Safelite AutoGlass	33432 Central Avenue US
510-400-9326	Royal Thai Spa	30903 Union City Blvd US

Reports

Anonymous User from , IL

April 2, 2026 at 11:43 AM

510-400-5011 reported as a Live Voice or Other. Received on April 2, 2026 at 10:37 AM.

Anonymous User from Berkeley, California

January 22, 2026 at 12:35 PM

510-400-0568 reported as a Robocall. Received on January 12, 2026 at 9:31 AM.

Anonymous User from , CA

November 18, 2025 at 9:01 PM

510-400-6776 reported as a unwanted call. Received on October 11, 2025 at 10:41 AM.

Anonymous User from , CA

September 9, 2025 at 6:52 PM

510-400-8178 reported as a Robocall. Received on September 9, 2025 at 3:48 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , CA

August 28, 2025 at 12:25 PM

510-400-6198 reported as a Live Voice or Other. Received on August 11, 2025 at 12:41 PM.
Call for No Subject Provided

Anonymous User from , CA

July 25, 2025 at 5:52 PM

510-400-4461 reported as a Robocall. Received on July 25, 2025 at 5:02 PM.

Anonymous User from Oakalnd, California

June 4, 2025 at 8:34 PM

510-400-6232 reported as a Robocall. Received on June 4, 2025 at 5:23 PM.
Call for Energy, solar, & utilities

Anonymous User from North Las Vegas, California

January 31, 2025 at 10:56 AM

510-400-5429 reported as a Robocall. Received on January 30, 2025 at 10:38 PM.
Call for Medical & prescriptions

Anonymous User from Pinole, California

November 18, 2024 at 2:00 PM

510-400-3161 reported as a Live Voice or Other. Received on November 18, 2024 at 10:44 AM.
Call for Energy, solar, & utilities

Anonymous User from San Lorenzo, California

November 4, 2024 at 1:29 PM

510-400-3319 reported as a Robocall. Received on November 4, 2024 at 10:27 AM.
Call for Energy, solar, & utilities

Anonymous User from , CA

September 27, 2024 at 10:40 PM

510-400-3088 reported as a Live Voice or Other. Received on September 27, 2024 at 8:45 AM.

Anonymous User from , NJ

July 31, 2024 at 11:05 AM

510-400-4477 reported as a Live Voice or Other. Received on July 31, 2024 at 1:38 PM.
Call for No Subject Provided

Anonymous User from , NJ

July 30, 2024 at 3:11 PM

510-400-4477 reported as a Live Voice or Other. Received on July 30, 2024 at 1:38 PM.
Call for No Subject Provided

Anonymous User from , NJ

July 30, 2024 at 1:18 PM

510-400-4477 reported as a Live Voice or Other. Received on July 30, 2024 at 1:01 PM.
Call for No Subject Provided

Anonymous User from , NJ

July 26, 2024 at 9:56 PM

510-400-4477 reported as a Live Voice or Other. Received on July 26, 2024 at 8:30 PM.
Call for No Subject Provided

Anonymous User from Cloverdale, California

July 12, 2024 at 5:18 PM

510-400-3801 reported as a Robocall. Received on July 9, 2024 at 11:16 AM.

Anonymous User from Chicago, Illinois

June 25, 2024 at 12:26 PM

510-400-6337 reported as a Live Voice or Other. Received on June 17, 2024 at 12:00 PM.
Call for Work from home & other ways to make money

Anonymous User from , CA

May 15, 2024 at 5:10 PM

510-400-3606 reported as a unwanted call. Received on May 15, 2024 at 1:38 PM.

Anonymous User from Lompoc, California

March 26, 2024 at 2:33 PM

510-400-7187 reported as a Live Voice or Other. Received on March 25, 2024 at 12:00 AM.

Anonymous User from Altadena, California

February 24, 2024 at 1:25 PM

510-400-5396 reported as a Robocall. Received on February 5, 2024 at 10:08 AM.

Anonymous User from Helena, Florida

February 8, 2024 at 4:02 PM

510-400-4031 reported as a Robocall. Received on February 8, 2024 at 1:07 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from , CA

November 22, 2023 at 12:09 PM

510-400-4292 reported as a Live Voice or Other. Received on November 3, 2023 at 2:08 PM.

Anonymous User from Fremont, California

November 20, 2023 at 12:23 PM

510-400-4967 reported as a Robocall. Received on November 20, 2023 at 6:01 AM.

Anonymous User from , CA

September 8, 2023 at 11:04 AM

510-400-6926 reported as a unwanted call. Received on September 8, 2023 at 6:42 AM.
Call for No Subject Provided

Anonymous User from Hayward, California

August 15, 2023 at 6:04 PM

510-400-4274 reported as a Robocall. Received on August 15, 2023 at 2:42 PM.
Call for Energy, solar, & utilities

Anonymous User from Bryan, Texas

August 1, 2023 at 5:28 PM

510-400-6470 reported as a Live Voice or Other. Received on August 1, 2023 at 5:19 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Union City, California

July 26, 2023 at 5:36 PM

510-400-7280 reported as a Live Voice or Other. Received on July 26, 2023 at 2:26 PM.
Call for Medical & prescriptions

Anonymous User from Colusa, California

July 11, 2023 at 12:32 PM

510-400-6621 reported as a unwanted call. Received on July 10, 2023 at 3:44 PM.
Call for No Subject Provided

Anonymous User from Union City, California

July 10, 2023 at 1:58 PM

510-400-7206 reported as a Robocall. Received on July 5, 2023 at 1:34 PM.
Call for Vacation & timeshares

Anonymous User from San Francisco, California

June 27, 2023 at 7:33 PM

510-400-4415 reported as a Live Voice or Other. Received on June 27, 2023 at 1:57 PM.
Call for Dropped call or no message

Anonymous User from Napa, California

June 6, 2023 at 6:46 PM

510-400-6366 reported as a Robocall. Received on June 6, 2023 at 3:45 PM.
Call for Dropped call or no message

Anonymous User from , CA

June 6, 2023 at 6:15 PM

510-400-4295 reported as a unwanted call. Received on May 19, 2023 at 9:52 AM.
Call for Energy, solar, & utilities

Anonymous User from South San Francisco, California

May 24, 2023 at 7:37 PM

510-400-4271 reported as a Robocall. Received on May 23, 2023 at 1:07 PM.
Call for Energy, solar, & utilities

Anonymous User from Los Altos, California

May 12, 2023 at 9:57 PM

510-400-4292 reported as a Robocall. Received on May 10, 2023 at 7:13 PM.

Anonymous User from Los Altos, California

May 12, 2023 at 9:56 PM

510-400-4292 reported as a Robocall. Received on May 11, 2023 at 8:44 AM.

Anonymous User from Los Altos, California

May 12, 2023 at 9:51 PM

510-400-4292 reported as a Robocall. Received on May 11, 2023 at 10:14 AM.

Anonymous User from Los Altos, California

May 12, 2023 at 9:47 PM

510-400-4292 reported as a Robocall. Received on May 11, 2023 at 7:18 PM.

Anonymous User from , CA

May 6, 2023 at 2:48 PM

510-400-4282 reported as a unwanted call. Received on May 5, 2023 at 8:23 AM.
Call for Energy, solar, & utilities

Anonymous User from Vacaville, California

April 20, 2023 at 7:45 PM

510-400-8289 reported as a Live Voice or Other. Received on April 20, 2023 at 12:43 PM.
Call for No Subject Provided

Anonymous User from Milpitas, CA

April 19, 2023 at 6:30 PM

510-400-8608 reported as a Live Voice. Received on April 19, 2023 at 11:24 AM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CA

April 12, 2023 at 1:25 PM

510-400-4298 reported as a Live Voice or Other. Received on April 12, 2023 at 9:46 PM.
Call for Dropped call or no message

Anonymous User from , CA

April 3, 2023 at 2:07 PM

510-400-4282 reported as a Robocall. Received on April 3, 2023 at 11:04 AM.
Call for Dropped call or no message

Anonymous User from , CA

February 27, 2023 at 2:02 PM

510-400-4298 reported as a Live Voice or Other. Received on February 27, 2023 at 10:58 AM.
Call for Energy, solar, & utilities

Anonymous User from , CA

January 25, 2023 at 1:58 PM

510-400-0076 reported as a Live Voice or Other. Received on January 25, 2023 at 9:48 AM.
Call for No Subject Provided

Anonymous User from Livermore, California

December 23, 2022 at 1:37 PM

510-400-4369 reported as a Live Voice or Other. Received on December 23, 2022 at 10:34 AM.
Call for Energy, solar, & utilities

Anonymous User from , TN

November 28, 2022 at 6:58 PM

510-400-7150 reported as a Live Voice or Other. Received on November 28, 2022 at 11:53 PM.

Anonymous User from , IL

November 28, 2022 at 12:21 PM

510-400-7150 reported as a unwanted call. Received on November 28, 2022 at 10:54 AM.

Anonymous User from Sherman, Texas

November 26, 2022 at 4:23 PM

510-400-7157 reported as a Live Voice or Other. Received on November 26, 2022 at 10:20 AM.
Call for Dropped call or no message

Anonymous User from San Lorenzo, California

November 19, 2022 at 5:45 PM

510-400-8608 reported as a unwanted call. Received on November 16, 2022 at 12:38 PM.

Anonymous User from San Lorenzo, California

November 11, 2022 at 3:51 PM

510-400-8608 reported as a unwanted call. Received on November 10, 2022 at 2:11 PM.

Anonymous User from , CA

October 3, 2022 at 8:04 PM

510-400-8688 reported as a Live Voice or Other. Received on October 3, 2022 at 9:07 AM.
Call for Dropped call or no message

Anonymous User from Milwaukee, Wisconsin

August 30, 2022 at 2:45 PM

510-400-8661 reported as a Robocall. Received on August 30, 2022 at 1:23 PM.
Call for Warranties & protection plans

Anonymous User from Martinez, California

July 27, 2022 at 5:25 PM

510-400-7156 reported as a unwanted call. Received on July 26, 2022 at 2:17 PM.

Anonymous User from Martinez, California

July 27, 2022 at 5:17 PM

510-400-7157 reported as a unwanted call. Received on July 25, 2022 at 12:54 PM.

Anonymous User from Martinez, California

July 27, 2022 at 5:16 PM

510-400-7157 reported as a unwanted call. Received on July 22, 2022 at 1:06 PM.

Anonymous User from , CA

July 27, 2022 at 12:03 PM

510-400-5426 reported as a Robocall. Received on July 27, 2022 at 7:26 AM.
Call for Warranties & protection plans

Anonymous User from Martinez, California

July 21, 2022 at 7:02 PM

510-400-7157 reported as a unwanted call. Received on July 20, 2022 at 11:15 AM.

Anonymous User from , CO

June 18, 2022 at 10:20 AM

510-400-8905 reported as a Robocall. Received on June 15, 2022 at 2:15 PM.
Call for Dropped call or no message

Anonymous User from Hayward, California

June 8, 2022 at 12:11 AM

510-400-0498 reported as a unwanted call. Received on June 7, 2022 at 3:54 PM.
Call for No Subject Provided

Anonymous User from Oakland, California

June 6, 2022 at 2:23 PM

510-400-4235 reported as a Robocall. Received on June 6, 2022 at 8:37 AM.

Anonymous User from , CA

June 4, 2022 at 6:06 PM

510-400-5151 reported as a Live Voice or Other. Received on June 4, 2022 at 11:41 AM.
Call for No Subject Provided

Anonymous User from Oakland, California

June 3, 2022 at 1:16 PM

510-400-4897 reported as a Robocall. Received on June 2, 2022 at 8:32 AM.

Anonymous User from Richmond, CA

September 28, 2021 at 3:32 AM

510-400-8791 reported as a Abandoned Calls. Received on September 28, 2021 at 8:19 AM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Richmond, CA

September 10, 2021 at 8:17 PM

510-400-8791 reported as a Abandoned Calls. Received on September 10, 2021 at 8:11 AM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , NM

March 29, 2017 at 5:36 PM

510-400-4848 reported as a Live Voice. Received on March 29, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 282-601-9261
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Rancho Cordova, California

November 30, -0001 at 12:00 AM

510-400-5976 reported as a Live Voice or Other. Received on November 30, -0001 at 12:00 AM.

Most 'popular' numbers on this prefix:

510-400-0XXX: 510-400-0010 | 510-400-0015 | 510-400-0020 | 510-400-0070 | 510-400-0071 | 510-400-0078 | 510-400-0402 | 510-400-0403 | 510-400-0406 | 510-400-0492 | 510-400-0496 | 510-400-0497 |
510-400-1XXX: 510-400-1000 | 510-400-1010 | 510-400-1011 | 510-400-1018 | 510-400-1050 | 510-400-1300 | 510-400-1333 | 510-400-1337 | 510-400-1370 | 510-400-1378 | 510-400-1379 | 510-400-1400 | 510-400-1408 | 510-400-1409 | 510-400-1460 | 510-400-1462 | 510-400-1467 |
510-400-2XXX: 510-400-2900 | 510-400-2907 | 510-400-2909 | 510-400-2992 | 510-400-2996 | 510-400-2998 |
510-400-3XXX: 510-400-3000 | 510-400-3008 | 510-400-3062 | 510-400-3080 | 510-400-3083 | 510-400-3088 | 510-400-3156 | 510-400-3158 | 510-400-3160 | 510-400-3162 | 510-400-3166 | 510-400-3196 | 510-400-3310 | 510-400-3311 | 510-400-3315 | 510-400-3600 | 510-400-3606 | 510-400-3608 | 510-400-3636 | 510-400-3658 | 510-400-3800 | 510-400-3802 | 510-400-3808 | 510-400-3900 | 510-400-3906 | 510-400-3980 | 510-400-3983 | 510-400-3988 | 510-400-3998 |
510-400-4XXX: 510-400-4000 | 510-400-4047 | 510-400-4062 | 510-400-4141 | 510-400-4142 | 510-400-4147 | 510-400-4196 | 510-400-4197 | 510-400-4198 | 510-400-4241 | 510-400-4242 | 510-400-4247 | 510-400-4282 | 510-400-4287 | 510-400-4289 | 510-400-4343 | 510-400-4346 | 510-400-4349 | 510-400-4360 | 510-400-4365 | 510-400-4369 | 510-400-4400 | 510-400-4409 | 510-400-4452 | 510-400-4470 | 510-400-4474 | 510-400-4477 | 510-400-4800 | 510-400-4803 | 510-400-4809 | 510-400-4831 | 510-400-4836 | 510-400-4838 | 510-400-4840 | 510-400-4848 | 510-400-4849 | 510-400-4861 | 510-400-4866 | 510-400-4868 | 510-400-4920 | 510-400-4922 | 510-400-4929 | 510-400-4996 | 510-400-4997 | 510-400-4998 |
510-400-5XXX: 510-400-5150 | 510-400-5151 | 510-400-5156 | 510-400-5157 | 510-400-5196 | 510-400-5390 | 510-400-5398 | 510-400-5399 | 510-400-5427 | 510-400-5428 | 510-400-5429 | 510-400-5550 | 510-400-5554 | 510-400-5555 | 510-400-5756 | 510-400-5757 | 510-400-5760 | 510-400-5761 | 510-400-5762 | 510-400-5787 | 510-400-5959 | 510-400-5971 | 510-400-5972 | 510-400-5979 |
510-400-6XXX: 510-400-6156 | 510-400-6157 | 510-400-6158 | 510-400-6170 | 510-400-6172 | 510-400-6177 | 510-400-6332 | 510-400-6333 | 510-400-6336 | 510-400-6362 | 510-400-6363 | 510-400-6369 | 510-400-6446 | 510-400-6452 | 510-400-6468 | 510-400-6470 | 510-400-6475 | 510-400-6478 | 510-400-6600 | 510-400-6620 | 510-400-6623 | 510-400-6624 | 510-400-6652 | 510-400-6656 | 510-400-6920 | 510-400-6925 | 510-400-6929 | 510-400-6995 | 510-400-6996 | 510-400-6998 |
510-400-7XXX: 510-400-7172 | 510-400-7176 | 510-400-7179 | 510-400-7181 | 510-400-7182 | 510-400-7188 | 510-400-7200 | 510-400-7207 | 510-400-7209 | 510-400-7272 | 510-400-7278 | 510-400-7279 |
510-400-8XXX: 510-400-8000 | 510-400-8008 | 510-400-8009 | 510-400-8080 | 510-400-8281 | 510-400-8282 | 510-400-8283 | 510-400-8284 | 510-400-8443 | 510-400-8446 | 510-400-8447 | 510-400-8600 | 510-400-8601 | 510-400-8606 | 510-400-8697 | 510-400-8701 | 510-400-8783 | 510-400-8787 | 510-400-8792 | 510-400-8793 | 510-400-8797 | 510-400-8900 | 510-400-8901 | 510-400-8907 | 510-400-8987 | 510-400-8996 | 510-400-8998 |
510-400-9XXX: 510-400-9380 | 510-400-9383 | 510-400-9385 | 510-400-9400 | 510-400-9405 | 510-400-9409 | 510-400-9440 | 510-400-9706 | 510-400-9736 | 510-400-9737 | 510-400-9738 | 510-400-9900 | 510-400-9962 | 510-400-9970 | 510-400-9977 | 510-400-9979 |