737-203

You are reviewing the Area Code (NPA/NXX) report for 737-203. Did you mean to search the SMS short code 737203?

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 Lookup Top Complaints Area Codes NPA-NXX iMessage

Raw Number	737203
Basic Format	737-203
NPA (Area Code)	737
NXX	203

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date
737-203-0XXX	6529	T-MOBILE USA, INC.	AUSTIN	AS	10/30/2015	AUSTIN	TX	SW	11/11/2015
737-203-1XXX	6529	T-MOBILE USA, INC.	AUSTIN	AS	10/30/2015	AUSTIN	TX	SW	11/11/2015
737-203-2XXX	6529	T-MOBILE USA, INC.	AUSTIN	AS	10/30/2015	AUSTIN	TX	SW	11/11/2015
737-203-3XXX	7249	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX	AUSTIN	AS	09/22/2015	AUSTIN	TX	SW	11/06/2015
737-203-4XXX	6529	T-MOBILE USA, INC.	AUSTIN	AS	10/30/2015	AUSTIN	TX	SW	11/11/2015
737-203-5XXX	516C	AT&T ENTERPRISES, LLC	AUSTIN	AS	10/13/2015	AUSTIN	TX	SW	11/08/2015
737-203-6XXX	6534	NEW CINGULAR WIRELESS PCS, LLC - IL	AUSTIN	AS	11/10/2015	AUSTIN	TX	SW	11/20/2015
737-203-7XXX	6534	NEW CINGULAR WIRELESS PCS, LLC - IL	AUSTIN	AS	11/10/2015	AUSTIN	TX	SW	11/20/2015
737-203-8XXX	793K	TWC IP ENABLED SERVICES, LLC	AUSTIN	AS	10/21/2015	AUSTIN	TX	SW	11/19/2015
737-203-9XXX	793K	TWC IP ENABLED SERVICES, LLC	AUSTIN	AS	10/21/2015	AUSTIN	TX	SW	11/19/2015
737-203-XXXX	7249	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX	AUSTIN	AS	09/22/2015	AUSTIN	TX

Business/Government Phones on the 737-203 Prefix

Phone	Name	Address
737-203-1557	Tidy & Go LLC
737-203-8663	B Z Electric Service
737-203-8661	Bao'd Up	5207 Brodie Lane Sunset Valley 78745 US
737-203-8667	Verizon	6929 Airport Boulevard Austin 78752 US
737-203-8937	Holiday Inn Express	2340 IH 35 North Round Rock 78681 US

Reports

Anonymous User from Round Rock, Texas

March 24, 2026 at 10:35 PM

737-203-9772 reported as a Robocall. Received on March 19, 2026 at 8:39 AM.

Anonymous User from Round Rock, Texas

March 24, 2026 at 10:34 PM

737-203-9967 reported as a Robocall. Received on March 19, 2026 at 10:26 AM.

Anonymous User from Hutto, Texas

February 19, 2026 at 4:46 PM

737-203-8981 reported as a Robocall. Received on February 19, 2026 at 9:55 AM.

Anonymous User from Round Rock, Texas

February 13, 2026 at 10:08 AM

737-203-9190 reported as a Robocall. Received on February 13, 2026 at 9:07 AM.

Anonymous User from Round Rock, Texas

February 13, 2026 at 10:00 AM

737-203-3548 reported as a Robocall. Received on February 11, 2026 at 2:08 PM.

Anonymous User from Round Rock, Texas

February 13, 2026 at 9:58 AM

737-203-5785 reported as a Robocall. Received on February 11, 2026 at 4:09 PM.

Anonymous User from Round Rock, Texas

February 13, 2026 at 9:58 AM

737-203-5568 reported as a Robocall. Received on February 11, 2026 at 2:40 PM.

Anonymous User from Round Rock, Texas

February 13, 2026 at 9:41 AM

737-203-8906 reported as a Robocall. Received on February 12, 2026 at 3:26 PM.

Anonymous User from Round Rock, Texas

February 13, 2026 at 9:41 AM

737-203-5466 reported as a Robocall. Received on February 12, 2026 at 4:23 PM.

Anonymous User from , TX

February 11, 2026 at 4:19 PM

737-203-5785 reported as a Robocall. Received on February 11, 2026 at 3:15 PM.
Call for Computer & technical support

Anonymous User from Round Rock, Texas

February 11, 2026 at 12:43 PM

737-203-3310 reported as a Robocall. Received on February 11, 2026 at 11:41 AM.

Anonymous User from Round Rock, Texas

February 11, 2026 at 10:18 AM

737-203-9225 reported as a Robocall. Received on February 11, 2026 at 9:17 AM.

Anonymous User from Round Rock, Texas

February 10, 2026 at 6:21 PM

737-203-3316 reported as a Robocall. Received on February 10, 2026 at 12:19 PM.

Anonymous User from Round Rock, Texas

February 10, 2026 at 6:19 PM

737-203-9251 reported as a Robocall. Received on February 10, 2026 at 1:08 PM.

Anonymous User from Round Rock, Texas

January 27, 2026 at 10:20 AM

737-203-3629 reported as a Robocall. Received on January 27, 2026 at 9:19 AM.

Anonymous User from Round Rock, Texas

January 27, 2026 at 9:37 AM

737-203-3154 reported as a Robocall. Received on January 27, 2026 at 8:35 AM.

Anonymous User from , TX

November 25, 2025 at 8:01 PM

737-203-9333 reported as a Robocall. Received on November 25, 2025 at 12:00 AM.

Anonymous User from Concors, California

July 24, 2025 at 2:30 PM

737-203-0118 reported as a Live Voice or Other. Received on July 24, 2025 at 11:14 AM.

Anonymous User from Bastrop, Texas

May 27, 2025 at 1:23 PM

737-203-3072 reported as a Robocall. Received on May 27, 2025 at 11:42 AM.

Anonymous User from Austin, Texas

April 1, 2024 at 4:39 PM

737-203-5817 reported as a Robocall. Received on April 1, 2024 at 3:36 PM.

Anonymous User from Austin, Texas

March 19, 2024 at 1:28 PM

737-203-9837 reported as a Live Voice or Other. Received on March 19, 2024 at 2:27 PM.
Call for Medical & prescriptions

Anonymous User from , MN

September 21, 2023 at 2:35 PM

737-203-5218 reported as a Robocall. Received on September 14, 2023 at 1:17 PM.
Call for Warranties & protection plans

Anonymous User from , MN

September 20, 2023 at 8:03 PM

737-203-5218 reported as a Robocall. Received on September 14, 2023 at 1:17 PM.
Call for Warranties & protection plans

Anonymous User from Jacksonville, Texas

March 30, 2023 at 1:57 PM

737-203-3128 reported as a Robocall. Received on March 28, 2023 at 2:26 PM.
Call for Dropped call or no message

Anonymous User from , TX

January 18, 2023 at 11:14 AM

737-203-3310 reported as a Robocall. Received on January 18, 2023 at 10:06 AM.
Call for No Subject Provided

Anonymous User from , TX

December 30, 2022 at 5:32 PM

737-203-3066 reported as a Robocall. Received on December 30, 2022 at 4:14 PM.
Call for No Subject Provided

Anonymous User from Houston, Texas

December 20, 2022 at 10:44 PM

737-203-3059 reported as a Live Voice or Other. Received on December 19, 2022 at 12:26 PM.

Anonymous User from Euless, Texas

September 7, 2022 at 2:53 PM

737-203-3517 reported as a Robocall. Received on September 7, 2022 at 1:50 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Salem, New York

August 7, 2022 at 12:47 PM

737-203-3912 reported as a Live Voice or Other. Received on August 5, 2022 at 11:49 AM.
Call for Dropped call or no message

Anonymous User from , CA

August 3, 2022 at 11:57 PM

737-203-8664 reported as a unwanted call. Received on July 22, 2022 at 10:13 AM.
Call for Dropped call or no message

Anonymous User from Salem, New York

July 27, 2022 at 1:55 PM

737-203-3912 reported as a Live Voice or Other. Received on July 27, 2022 at 1:40 PM.
Call for Dropped call or no message

Anonymous User from Salem, New York

July 6, 2022 at 3:28 PM

737-203-3912 reported as a Live Voice or Other. Received on July 6, 2022 at 12:33 PM.
Call for Dropped call or no message

Most 'popular' numbers on this prefix:

737-203-1XXX: 737-203-1500 | 737-203-1532 | 737-203-1551 | 737-203-1554 | 737-203-1556 | 737-203-1600 | 737-203-1608 | 737-203-1609 | 737-203-1630 | 737-203-1633 | 737-203-1635 |
737-203-3XXX: 737-203-3003 | 737-203-3006 | 737-203-3051 | 737-203-3052 | 737-203-3054 | 737-203-3126 | 737-203-3127 | 737-203-3129 | 737-203-3146 | 737-203-3147 | 737-203-3166 | 737-203-3301 | 737-203-3303 | 737-203-3304 | 737-203-3310 | 737-203-3314 | 737-203-3318 | 737-203-3500 | 737-203-3510 | 737-203-3518 | 737-203-3519 | 737-203-3903 | 737-203-3906 | 737-203-3907 | 737-203-3912 | 737-203-3916 | 737-203-3919 |
737-203-5XXX: 737-203-5211 | 737-203-5215 | 737-203-5216 | 737-203-5243 | 737-203-5246 | 737-203-5256 | 737-203-5803 | 737-203-5804 | 737-203-5806 | 737-203-5811 | 737-203-5815 | 737-203-5816 | 737-203-5904 | 737-203-5906 | 737-203-5920 | 737-203-5922 | 737-203-5929 | 737-203-5984 |
737-203-7XXX: 737-203-7117 | 737-203-7118 | 737-203-7119 | 737-203-7172 | 737-203-7176 | 737-203-7179 | 737-203-7500 | 737-203-7506 | 737-203-7590 | 737-203-7595 | 737-203-7599 |
737-203-8XXX: 737-203-8603 | 737-203-8663 | 737-203-8664 | 737-203-8666 | 737-203-8684 | 737-203-8686 | 737-203-8986 | 737-203-8987 | 737-203-8989 | 737-203-8996 | 737-203-8997 | 737-203-8998 |
737-203-9XXX: 737-203-9831 | 737-203-9832 | 737-203-9836 | 737-203-9883 | 737-203-9884 | 737-203-9886 |