phone.gd North American phone lookup, short codes, caller signals, and complaint-driven research.

603-388

You are reviewing the Area Code (NPA/NXX) report for 603-388. Did you mean to search the SMS short code 603388?

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 LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number603388
Basic Format603-388
NPA (Area Code)603
NXX388

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective DateBlock Available Date
603-388-0XXX8468FREEDOM RING COMMUNICATIONS, LLCCOLEBROOKRTCOLEBROOKNHNE
603-388-1XXX8468FREEDOM RING COMMUNICATIONS, LLCCOLEBROOKRTCOLEBROOKNHNE
603-388-2XXX8468FREEDOM RING COMMUNICATIONS, LLCCOLEBROOKRTCOLEBROOKNHNE
603-388-3XXX145JTERRA NOVA TELECOM INC.COLEBROOKAS03/06/2026COLEBROOKNHNE03/30/2026
603-388-4XXX8468FREEDOM RING COMMUNICATIONS, LLCCOLEBROOKRTCOLEBROOKNHNE
603-388-5XXX8468FREEDOM RING COMMUNICATIONS, LLCCOLEBROOKAVCOLEBROOKNHNE08/03/2004
603-388-6XXX8468FREEDOM RING COMMUNICATIONS, LLCCOLEBROOKAVCOLEBROOKNHNE08/03/2004
603-388-7XXX8468FREEDOM RING COMMUNICATIONS, LLCCOLEBROOKAVCOLEBROOKNHNE07/01/2004
603-388-8XXX8468FREEDOM RING COMMUNICATIONS, LLCCOLEBROOKAVCOLEBROOKNHNE02/16/2023
603-388-9XXX8468FREEDOM RING COMMUNICATIONS, LLCCOLEBROOKAVCOLEBROOKNHNE09/24/2025
603-388-XXXX8468FREEDOM RING COMMUNICATIONS, LLCCOLEBROOKASCOLEBROOKNH

Reports

Anonymous User from Webster, New Hampshire

March 28, 2025 at 9:52 AM

603-388-9194 reported as a Robocall. Received on March 28, 2025 at 8:55 AM.

Anonymous User from , NH

December 4, 2024 at 4:49 PM

603-388-7105 reported as a Robocall. Received on December 4, 2024 at 4:06 PM.

Anonymous User from Atkinson, New Hampshire

September 23, 2024 at 5:19 PM

603-388-8014 reported as a Live Voice or Other. Received on September 23, 2024 at 9:05 AM.
Call for Medical & prescriptions

Anonymous User from Hudson, New Hampshire

March 19, 2024 at 1:47 PM

603-388-1286 reported as a Robocall. Received on March 19, 2024 at 1:44 PM.

Anonymous User from Lincoln, New Hampshire

July 25, 2023 at 11:53 AM

603-388-3924 reported as a Robocall. Received on July 24, 2023 at 2:48 PM.

Anonymous User from Littleton, New Hampshire

May 22, 2023 at 1:26 PM

603-388-9734 reported as a Robocall. Received on April 27, 2023 at 12:13 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Nashua, New Hampshire

February 20, 2023 at 5:58 PM

603-388-2633 reported as a Robocall. Received on February 20, 2023 at 2:41 PM.

Anonymous User from Northfield, New Hampshire

January 20, 2023 at 10:16 AM

603-388-9947 reported as a Robocall. Received on January 20, 2023 at 9:55 AM.
Call for Medical & prescriptions

Anonymous User from Byfield, Massachusetts

January 15, 2023 at 10:58 AM

603-388-6930 reported as a Robocall. Received on December 1, 2022 at 3:01 PM.

Anonymous User from , NH

September 29, 2022 at 4:27 PM

603-388-8027 reported as a Robocall. Received on September 29, 2022 at 2:48 PM.
Call for No Subject Provided

Most 'popular' numbers on this prefix:

603-388-0XXX: 603-388-0700 | 603-388-0777 | 603-388-0790 | 603-388-0791 | 603-388-0797 |
603-388-1XXX: 603-388-1000 | 603-388-1001 | 603-388-1003 | 603-388-1070 | 603-388-1071 | 603-388-1078 | 603-388-1212 | 603-388-1222 | 603-388-1234 | 603-388-1280 | 603-388-1283 | 603-388-1288 |
603-388-2XXX: 603-388-2600 | 603-388-2630 | 603-388-2631 | 603-388-2633 | 603-388-2666 |
603-388-3XXX: 603-388-3900 | 603-388-3920 | 603-388-3922 | 603-388-3923 | 603-388-3950 |
603-388-6XXX: 603-388-6900 | 603-388-6930 | 603-388-6933 | 603-388-6935 | 603-388-6950 |
603-388-7XXX: 603-388-7100 | 603-388-7102 | 603-388-7105 | 603-388-7107 |
603-388-8XXX: 603-388-8000 | 603-388-8007 | 603-388-8009 | 603-388-8020 | 603-388-8022 | 603-388-8023 |
603-388-9XXX: 603-388-9700 | 603-388-9730 | 603-388-9733 | 603-388-9737 | 603-388-9900 | 603-388-9944 | 603-388-9945 | 603-388-9947 | 603-388-9962 | 603-388-9999 |