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603-721

You are reviewing the Area Code (NPA/NXX) report for 603-721. Did you mean to search the SMS short code 603721?

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Examples: 206-739-5800, 206, 206-739, 48369
Raw Number603721
Basic Format603-721
NPA (Area Code)603
NXX721

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
603-721-0XXX8468FREEDOM RING COMMUNICATIONS, LLCMILFORDAS04/21/2006MILFORDNHNE05/20/2006
603-721-1XXX5562METROPCS, INC.MILFORDRTMILFORDNHNE
603-721-2XXX6889OMNIPOINT MIAMI E LICENSE, LLCMILFORDRTMILFORDNHNE
603-721-3XXX6889OMNIPOINT MIAMI E LICENSE, LLCMILFORDAS12/30/2025MILFORDNHNE01/29/2026
603-721-4XXX829JPAETEC ITEL, LLCMILFORDAS02/23/2007MILFORDNHNE03/07/2007
603-721-5XXX792KCHARTER IP ENABLED SERVICES, LLCMILFORDAS07/22/2011MILFORDNHNE09/03/2011
603-721-6XXX5562METROPCS, INC.MILFORDRTMILFORDNHNE
603-721-7XXX829JPAETEC ITEL, LLCMILFORDAS08/19/2011MILFORDNHNE09/12/2011
603-721-8XXX6386BELL ATLANTIC MOBILE, INCMILFORDAS11/13/2024MILFORDNHNE11/25/2024
603-721-9XXX5562METROPCS, INC.MILFORDRTMILFORDNHNE
603-721-XXXX5562METROPCS, INC.MILFORDAS07/08/2002MILFORDNH

Business/Government Phones on the 603-721 Prefix

PhoneNameAddress
603-721-9335B&B PowerWash Services

Reports

Anonymous User from Owings Mills, Maryland

February 11, 2026 at 10:17 AM

603-721-6346 reported as a Live Voice or Other. Received on February 11, 2026 at 10:10 AM.

Anonymous User from Waukesha, Wisconsin

January 16, 2026 at 7:49 PM

603-721-6346 reported as a Live Voice or Other. Received on January 16, 2026 at 6:37 PM.
Call for Warranties & protection plans

Anonymous User from Wolfeboro, New Hampshire

August 27, 2025 at 11:34 AM

603-721-4452 reported as a Live Voice or Other. Received on August 27, 2025 at 11:33 AM.
Call for Home improvement & cleaning

Anonymous User from Hudson, New Hampshire

March 10, 2025 at 7:48 AM

603-721-3973 reported as a Live Voice or Other. Received on March 10, 2025 at 7:44 AM.
Call for Dropped call or no message

Anonymous User from Hudson, New Hampshire

May 31, 2024 at 4:26 PM

603-721-4773 reported as a Live Voice or Other. Received on May 31, 2024 at 4:21 PM.
Call for Medical & prescriptions

Anonymous User from Weare, NH

May 17, 2024 at 2:29 PM

603-721-6559 reported as a Prerecorded Voice. Received on May 17, 2024 at 12:00 AM.
Unwanted call for Other Services
Contacted via Wired

Anonymous User from Deltona, Florida

January 11, 2024 at 10:13 AM

603-721-5139 reported as a Robocall. Received on January 11, 2024 at 10:07 AM.
Call for No Subject Provided

Anonymous User from Milan, New Hampshire

May 12, 2023 at 12:14 PM

60372100186 reported as a Robocall. Received on May 11, 2023 at 6:04 PM.
Call for Medical & prescriptions

Anonymous User from Milan, New Hampshire

May 12, 2023 at 12:09 PM

60372100186 reported as a Robocall. Received on May 11, 2023 at 6:04 PM.
Call for Medical & prescriptions

Anonymous User from Temple Terrace, Florida

April 25, 2023 at 5:58 PM

603-721-9289 reported as a Live Voice or Other. Received on April 17, 2023 at 4:22 PM.
Call for Medical & prescriptions

Anonymous User from Somersworth, New Hampshire

April 13, 2023 at 5:11 PM

603-721-0710 reported as a Robocall. Received on April 13, 2023 at 5:03 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Barre, Vermont

March 9, 2023 at 10:35 AM

603-721-0288 reported as a Robocall. Received on March 9, 2023 at 9:51 AM.
Call for Medical & prescriptions

Anonymous User from Tamworth, New Hampshire

February 7, 2023 at 11:20 AM

603-721-5814 reported as a Robocall. Received on February 6, 2023 at 12:00 AM.

Most 'popular' numbers on this prefix:

603-721-0XXX: 603-721-0010 | 603-721-0012 | 603-721-0014 | 603-721-0016 | 603-721-0021 | 603-721-0026 | 603-721-0223 | 603-721-0270 | 603-721-0280 | 603-721-0281 | 603-721-0288 | 603-721-0290 | 603-721-0701 | 603-721-0711 | 603-721-0714 | 603-721-0716 | 603-721-0771 | 603-721-0772 |
603-721-1XXX: 603-721-1600 | 603-721-1608 | 603-721-1620 | 603-721-1680 | 603-721-1683 | 603-721-1688 |
603-721-3XXX: 603-721-3900 | 603-721-3950 | 603-721-3970 | 603-721-3975 | 603-721-3977 |
603-721-4XXX: 603-721-4700 | 603-721-4750 | 603-721-4770 | 603-721-4777 |
603-721-5XXX: 603-721-5110 | 603-721-5111 | 603-721-5118 | 603-721-5141 | 603-721-5143 | 603-721-5147 | 603-721-5351 | 603-721-5353 | 603-721-5355 | 603-721-5372 | 603-721-5373 | 603-721-5377 | 603-721-5801 | 603-721-5803 | 603-721-5804 | 603-721-5810 | 603-721-5811 | 603-721-5819 |
603-721-6XXX: 603-721-6500 | 603-721-6511 | 603-721-6554 | 603-721-6556 | 603-721-6558 | 603-721-6580 |
603-721-9XXX: 603-721-9144 | 603-721-9147 | 603-721-9149 | 603-721-9160 | 603-721-9166 | 603-721-9168 | 603-721-9221 | 603-721-9229 | 603-721-9231 | 603-721-9280 | 603-721-9281 | 603-721-9288 | 603-721-9311 | 603-721-9322 | 603-721-9333 | 603-721-9337 | 603-721-9339 | 603-721-9388 |