510-274

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Phone Lookup Top Complaints Area Codes NPA-NXX iMessage

Raw Number	510274
Basic Format	510-274
NPA (Area Code)	510
NXX	274

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date
510-274-0XXX	6529	T-MOBILE USA, INC.	HAYWARD	AS	09/01/2006	HAYWARD	CA	WC	09/30/2006
510-274-1XXX	981E	BANDWIDTH.COM CLEC, LLC - CA	HAYWARD	AS	01/28/2010	HAYWARD	CA	WC	02/26/2010
510-274-2XXX	8826	LEVEL 3 COMMUNICATIONS, LLC - CA	HAYWARD	AS	05/04/2011	HAYWARD	CA	WC	06/27/2011
510-274-3XXX	5562	METROPCS, INC.	HAYWARD	AS	03/22/2007	HAYWARD	CA	WC	04/19/2007
510-274-4XXX	624H	ONVOY SPECTRUM, LLC	HAYWARD	AS	02/14/2022	HAYWARD	CA	WC	04/19/2022
510-274-5XXX	516C	AT&T ENTERPRISES, LLC	HAYWARD	AS	06/09/2006	HAYWARD	CA	WC	07/07/2006
510-274-6XXX	9262	UTILITY TELECOM GROUP, LLC - CA	HAYWARD	AS	05/03/2006	HAYWARD	CA	WC	05/20/2006
510-274-7XXX	6006	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA	HAYWARD	AS	05/05/2011	HAYWARD	CA	WC	06/02/2011
510-274-8XXX	5562	METROPCS, INC.	HAYWARD	AS	08/10/2006	HAYWARD	CA	WC	09/08/2006
510-274-9XXX	5562	METROPCS, INC.	HAYWARD	AS	07/17/2006	HAYWARD	CA	WC	08/12/2006
510-274-XXXX	9262	UTILITY TELECOM GROUP, LLC - CA	HAYWARD	AS		HAYWARD	CA

Business/Government Phones on the 510-274 Prefix

Phone	Name	Address
510-274-0257	Munoz Painting
510-274-0333	Intech Pest Control
510-274-1092	Royal Touch Wellness
510-274-1862	PMA In-Home Care Services
510-274-3294	Salon Nu'u
510-274-3521	Goose Electric, Inc
510-274-3758	Johan's Landscaping Services
510-274-3875	Super Concrete Construction
510-274-5560	C A D Design and Construction Applications
510-274-5646	Four Seasons Tires Inc
510-274-5667	G Brother's Ornamental Steel Inc.
510-274-5691	Natural Healing FX
510-274-5770	Concrete Rock Stamp Rental
510-274-8052	Technology Infrastructure Specialists
510-274-8674	Tiarra's Creation
510-274-9021	J G Painting
510-274-9324	Brene's Plumbing
510-274-5233	Paris Baguette	29213 Mission Boulevard Hayward 94544 US
510-274-5908	Teaspoon	25034 Hesperian Boulevard Hayward 94545 US
510-274-9340	Shreenathdham Haveli - A Krishna Temple (શ્રીનાથજી ની હવેલી)	517 East Sandy Lake Road 75019 US

Reports

Anonymous User from Oakley, California

February 28, 2026 at 12:11 PM

510-274-2920 reported as a Live Voice or Other. Received on February 27, 2026 at 11:29 AM.

Anonymous User from Fremont, California

November 26, 2025 at 11:19 AM

510-274-2530 reported as a Robocall. Received on November 26, 2025 at 7:59 AM.
Call for Medical & prescriptions

Anonymous User from Fremont, California

September 18, 2025 at 12:48 PM

510-274-1531 reported as a Robocall. Received on September 18, 2025 at 9:45 AM.
Call for Medical & prescriptions

Anonymous User from Newark, California

August 13, 2025 at 1:50 AM

510-274-6949 reported as a Robocall. Received on August 8, 2025 at 9:04 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Newark, California

August 13, 2025 at 1:40 AM

510-274-2545 reported as a Robocall. Received on August 11, 2025 at 12:52 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from San Leandro, California

March 6, 2025 at 3:14 PM

510-274-5229 reported as a Robocall. Received on March 6, 2025 at 12:04 PM.

Anonymous User from , CA

February 7, 2025 at 2:01 PM

510-274-5767 reported as a Live Voice or Other. Received on February 7, 2025 at 10:58 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , CA

January 7, 2025 at 7:00 PM

510-274-1022 reported as a Live Voice or Other. Received on January 7, 2025 at 3:09 PM.

Anonymous User from , CA

December 28, 2024 at 11:08 AM

510-274-3063 reported as a Robocall. Received on December 25, 2024 at 1:43 PM.
Call for No Subject Provided

Anonymous User from Hayward, CA

July 18, 2024 at 6:33 PM

reported as a Prerecorded Voice. Received on July 18, 2024 at 11:19 AM.
Unwanted call for Other Services
Caller ID indicated they called from 510-274-2545
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CA

December 22, 2023 at 3:13 PM

510-274-2150 reported as a Robocall. Received on December 22, 2023 at 3:08 PM.

Anonymous User from Charlotte, North Carolina

December 4, 2023 at 11:38 AM

510-274-2506 reported as a Robocall. Received on December 4, 2023 at 10:01 AM.

Anonymous User from , IA

December 2, 2023 at 3:58 PM

510-274-2467 reported as a Robocall. Received on November 21, 2023 at 9:52 AM.

Anonymous User from Manteca, California

November 25, 2023 at 4:01 PM

510-274-0124 reported as a Robocall. Received on November 25, 2023 at 12:28 AM.

Anonymous User from Houston, Texas

November 6, 2023 at 2:08 PM

510-274-2613 reported as a Robocall. Received on November 6, 2023 at 10:10 AM.
Call for Dropped call or no message

Anonymous User from , CA

November 1, 2023 at 1:01 PM

510-274-2505 reported as a Robocall. Received on November 1, 2023 at 8:28 AM.

Anonymous User from , CA

October 12, 2023 at 11:52 AM

510-274-2559 reported as a Robocall. Received on October 11, 2023 at 12:34 PM.

Anonymous User from Union City, California

September 8, 2023 at 2:58 PM

510-274-6816 reported as a Live Voice or Other. Received on September 7, 2023 at 11:12 AM.
Call for Dropped call or no message

Anonymous User from , CA

August 16, 2023 at 3:32 PM

510-274-3225 reported as a Live Voice or Other. Received on August 16, 2023 at 10:38 AM.
Call for No Subject Provided

Anonymous User from , CA

June 28, 2023 at 2:56 PM

510-274-2150 reported as a Robocall. Received on June 28, 2023 at 9:09 AM.
Call for Dropped call or no message

Anonymous User from Winchester, California

June 8, 2023 at 3:05 PM

510-274-2104 reported as a Live Voice or Other. Received on June 7, 2023 at 10:20 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from , CA

June 8, 2023 at 1:00 PM

510-274-2079 reported as a Robocall. Received on June 6, 2023 at 9:06 AM.

Anonymous User from Winchester, California

June 7, 2023 at 1:40 PM

510-274-2104 reported as a Live Voice or Other. Received on June 7, 2023 at 10:18 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from South San Francisco, California

May 24, 2023 at 7:45 PM

510-274-2467 reported as a Robocall. Received on May 5, 2023 at 9:20 AM.
Call for Energy, solar, & utilities

Anonymous User from San Leandro, California

May 12, 2023 at 5:28 PM

510-274-4350 reported as a Robocall. Received on May 12, 2023 at 1:17 PM.

Anonymous User from , CA

April 5, 2023 at 12:38 PM

510-274-2187 reported as a Robocall. Received on February 1, 2023 at 12:00 PM.
Call for Warranties & protection plans

Anonymous User from , CA

March 31, 2023 at 5:43 PM

510-274-2467 reported as a Robocall. Received on March 21, 2023 at 12:06 PM.
Call for Dropped call or no message

Anonymous User from El Cerrito, California

March 27, 2023 at 4:11 PM

510-274-3653 reported as a unwanted call. Received on March 27, 2023 at 11:03 AM.
Call for Dropped call or no message

Anonymous User from , CA

March 1, 2023 at 10:20 AM

510-274-2479 reported as a Robocall. Received on February 1, 2023 at 9:18 AM.

Anonymous User from , CA

January 11, 2023 at 1:17 PM

510-274-5035 reported as a Robocall. Received on January 11, 2023 at 5:17 AM.
Call for No Subject Provided

Anonymous User from El Cajon, California

December 12, 2022 at 11:51 AM

510-274-1149 reported as a Robocall. Received on December 12, 2022 at 8:14 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Barrington, New Jersey

November 29, 2022 at 6:53 PM

510-274-2499 reported as a Robocall. Received on November 29, 2022 at 12:00 AM.
Call for Energy, solar, & utilities

Anonymous User from Castro Valley, California

October 31, 2022 at 5:04 PM

510-274-2502 reported as a Live Voice or Other. Received on October 31, 2022 at 1:46 PM.

Anonymous User from , CA

October 25, 2022 at 2:51 PM

510-274-2156 reported as a Robocall. Received on October 25, 2022 at 8:34 AM.

Anonymous User from , CA

October 25, 2022 at 2:49 PM

510-274-2165 reported as a Robocall. Received on October 25, 2022 at 11:23 AM.

Anonymous User from , CA

September 14, 2022 at 12:00 AM

510-274-2190 reported as a Robocall. Received on September 13, 2022 at 9:30 AM.

Anonymous User from Oakland, California

August 15, 2022 at 4:00 PM

510-274-2163 reported as a Robocall. Received on August 15, 2022 at 12:49 PM.

Anonymous User from Castro Valley, California

July 1, 2022 at 5:22 PM

510-274-6303 reported as a Robocall. Received on July 1, 2022 at 2:12 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Sebastopol, California

June 30, 2022 at 5:56 PM

510-274-2918 reported as a Live Voice or Other. Received on June 23, 2022 at 2:53 PM.

Anonymous User from Sebastopol, California

June 30, 2022 at 5:46 PM

510-274-2918 reported as a Live Voice or Other. Received on June 30, 2022 at 10:49 AM.

Anonymous User from , ME

April 1, 2016 at 4:54 PM

reported as a Prerecorded Voice. Received on April 1, 2016 at 11:50 AM.
Robocall for unknown
Caller ID indicated they called from 510-274-2993
Contacted via Wired

Anonymous User from , DC

March 30, 2016 at 5:17 PM

reported as a Prerecorded Voice. Received on March 30, 2016 at 12:08 PM.
Robocall for unknown
Caller ID indicated they called from 510-274-2979
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CA

March 29, 2016 at 5:53 PM

reported as a Prerecorded Voice. Received on March 29, 2016 at 9:40 AM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 510-274-2975
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CA

November 24, 2015 at 8:57 PM

reported as a Abandoned Calls. Received on November 13, 2015 at 12:00 PM.
Robocall for unknown
Caller ID indicated they called from 510-274-2079
Contacted via Wireless (cell phone/other mobile device)

Most 'popular' numbers on this prefix:

510-274-0XXX: 510-274-0122 | 510-274-0123 | 510-274-0125 | 510-274-0157 | 510-274-0158 | 510-274-0178 | 510-274-0238 | 510-274-0247 | 510-274-0248 | 510-274-0250 | 510-274-0255 | 510-274-0258 | 510-274-0300 | 510-274-0303 | 510-274-0309 | 510-274-0330 | 510-274-0332 | 510-274-0333 |
510-274-1XXX: 510-274-1000 | 510-274-1003 | 510-274-1005 | 510-274-1020 | 510-274-1022 | 510-274-1024 | 510-274-1111 | 510-274-1122 | 510-274-1140 | 510-274-1144 | 510-274-1147 | 510-274-1199 | 510-274-1800 | 510-274-1803 | 510-274-1805 | 510-274-1870 | 510-274-1876 | 510-274-1877 |
510-274-2XXX: 510-274-2000 | 510-274-2019 | 510-274-2053 | 510-274-2077 | 510-274-2078 | 510-274-2079 | 510-274-2188 | 510-274-2191 | 510-274-2195 | 510-274-2196 | 510-274-2197 | 510-274-2198 | 510-274-2400 | 510-274-2447 | 510-274-2460 | 510-274-2462 | 510-274-2469 | 510-274-2478 | 510-274-2500 | 510-274-2525 | 510-274-2540 | 510-274-2541 | 510-274-2545 | 510-274-2562 | 510-274-2600 | 510-274-2610 | 510-274-2611 | 510-274-2614 | 510-274-2661 | 510-274-2663 | 510-274-2900 | 510-274-2970 | 510-274-2975 | 510-274-2977 | 510-274-2992 | 510-274-2998 |
510-274-3XXX: 510-274-3000 | 510-274-3030 | 510-274-3060 | 510-274-3062 | 510-274-3067 | 510-274-3231 | 510-274-3256 | 510-274-3258 | 510-274-3290 | 510-274-3291 | 510-274-3299 | 510-274-3443 | 510-274-3446 | 510-274-3456 | 510-274-3490 | 510-274-3495 | 510-274-3499 | 510-274-3500 | 510-274-3503 | 510-274-3550 | 510-274-3565 | 510-274-3566 | 510-274-3568 | 510-274-3600 | 510-274-3655 | 510-274-3656 | 510-274-3658 | 510-274-3661 | 510-274-3668 | 510-274-3753 | 510-274-3757 | 510-274-3758 | 510-274-3776 | 510-274-3777 | 510-274-3778 | 510-274-3800 | 510-274-3870 | 510-274-3875 | 510-274-3877 |
510-274-4XXX: 510-274-4300 | 510-274-4343 | 510-274-4350 | 510-274-4353 | 510-274-4355 |
510-274-5XXX: 510-274-5000 | 510-274-5008 | 510-274-5030 | 510-274-5033 | 510-274-5038 | 510-274-5050 | 510-274-5100 | 510-274-5180 | 510-274-5181 | 510-274-5188 | 510-274-5200 | 510-274-5270 | 510-274-5277 | 510-274-5278 | 510-274-5500 | 510-274-5550 | 510-274-5555 | 510-274-5560 | 510-274-5562 | 510-274-5566 | 510-274-5600 | 510-274-5606 | 510-274-5630 | 510-274-5695 | 510-274-5696 | 510-274-5699 | 510-274-5700 | 510-274-5701 | 510-274-5757 | 510-274-5770 | 510-274-5775 | 510-274-5777 |
510-274-6XXX: 510-274-6300 | 510-274-6303 | 510-274-6304 | 510-274-6307 | 510-274-6309 | 510-274-6801 | 510-274-6810 | 510-274-6811 | 510-274-6815 | 510-274-6881 | 510-274-6887 |
510-274-7XXX: 510-274-7800 | 510-274-7883 | 510-274-7887 | 510-274-7890 | 510-274-7898 | 510-274-7899 |
510-274-8XXX: 510-274-8000 | 510-274-8008 | 510-274-8009 | 510-274-8050 | 510-274-8052 | 510-274-8053 | 510-274-8500 | 510-274-8501 | 510-274-8507 | 510-274-8556 | 510-274-8600 | 510-274-8601 | 510-274-8606 | 510-274-8670 | 510-274-8671 | 510-274-8677 | 510-274-8700 | 510-274-8701 | 510-274-8705 | 510-274-8760 | 510-274-8765 | 510-274-8767 |
510-274-9XXX: 510-274-9000 | 510-274-9008 | 510-274-9020 | 510-274-9022 | 510-274-9024 | 510-274-9090 | 510-274-9300 | 510-274-9303 | 510-274-9320 | 510-274-9323 | 510-274-9325 | 510-274-9330 | 510-274-9500 | 510-274-9520 | 510-274-9521 | 510-274-9522 | 510-274-9550 |