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

313-421

You are reviewing the Area Code (NPA/NXX) report for 313-421. Did you mean to search the SMS short code 313421?

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.

Examples: 206-739-5800, 206, 206-739, 48369

🌴 DSN Caribbean Area Code Detected

The area code you entered, 313, overlaps with the DSN network for U.S. military installations in the Caribbean region but might also be used for civilian purposes.

Raw Number313421
Basic Format313-421
NPA (Area Code)313
NXX421

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
313-421-0XXX6534NEW CINGULAR WIRELESS PCS, LLC - ILDETROITZN5RTDETROIT ZONE 05MIMW
313-421-1XXX6534NEW CINGULAR WIRELESS PCS, LLC - ILDETROITZN5RTDETROIT ZONE 05MIMW
313-421-2XXX6534NEW CINGULAR WIRELESS PCS, LLC - ILDETROITZN5RTDETROIT ZONE 05MIMW
313-421-3XXX6534NEW CINGULAR WIRELESS PCS, LLC - ILDETROITZN5RTDETROIT ZONE 05MIMW
313-421-4XXX2964OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLCDETROITZN5AS07/02/2010DETROIT ZONE 05MIMW07/15/2010
313-421-5XXX6534NEW CINGULAR WIRELESS PCS, LLC - ILDETROITZN5RTDETROIT ZONE 05MIMW
313-421-6XXX6534NEW CINGULAR WIRELESS PCS, LLC - ILDETROITZN5RTDETROIT ZONE 05MIMW
313-421-7XXX6534NEW CINGULAR WIRELESS PCS, LLC - ILDETROITZN5RTDETROIT ZONE 05MIMW
313-421-8XXX6534NEW CINGULAR WIRELESS PCS, LLC - ILDETROITZN5RTDETROIT ZONE 05MIMW
313-421-9XXX6534NEW CINGULAR WIRELESS PCS, LLC - ILDETROITZN5RTDETROIT ZONE 05MIMW
313-421-XXXX6534NEW CINGULAR WIRELESS PCS, LLC - ILDETROITZN5ASDETROIT ZONE 05MI

Business/Government Phones on the 313-421 Prefix

PhoneNameAddress
313-421-6708Kappa Commercial Roofing

Reports

Anonymous User from Cheboygan, Michigan

June 12, 2025 at 2:48 PM

313-421-5480 reported as a Live Voice or Other. Received on June 12, 2025 at 2:19 PM.

Anonymous User from Warren, Michigan

February 21, 2024 at 1:08 PM

313-421-4337 reported as a Robocall. Received on February 21, 2024 at 12:56 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from , MI

February 5, 2024 at 5:05 PM

313-421-7495 reported as a Robocall. Received on February 5, 2024 at 1:52 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Houston, Texas

October 31, 2023 at 7:27 PM

313-421-2284 reported as a Robocall. Received on October 31, 2023 at 6:17 PM.

Anonymous User from Detroit, Michigan

March 2, 2023 at 1:17 PM

313-421-0101 reported as a Robocall. Received on March 2, 2023 at 12:53 PM.

Anonymous User from Colorado Springs, Colorado

September 21, 2022 at 11:32 PM

313-421-3420 reported as a Live Voice or Other. Received on September 20, 2022 at 9:56 AM.

Anonymous User from Detroit, MI

August 2, 2021 at 7:39 PM

313-421-1571 reported as a Abandoned Calls. Received on August 2, 2021 at 2:36 PM.
Unwanted call for unknown
Contacted via Wired

Most 'popular' numbers on this prefix:

313-421-0XXX: 313-421-0100 | 313-421-0101 | 313-421-0102 | 313-421-0157 | 313-421-0158 | 313-421-0178 | 313-421-0200 | 313-421-0230 | 313-421-0232 | 313-421-0236 | 313-421-0247 | 313-421-0600 | 313-421-0601 | 313-421-0630 | 313-421-0633 | 313-421-0635 |
313-421-1XXX: 313-421-1100 | 313-421-1110 | 313-421-1111 | 313-421-1115 | 313-421-1122 | 313-421-1500 | 313-421-1515 | 313-421-1547 | 313-421-1570 | 313-421-1577 | 313-421-1578 | 313-421-1600 | 313-421-1608 | 313-421-1620 | 313-421-1680 | 313-421-1685 | 313-421-1688 |
313-421-2XXX: 313-421-2200 | 313-421-2233 | 313-421-2262 | 313-421-2280 | 313-421-2283 | 313-421-2288 | 313-421-2600 | 313-421-2607 | 313-421-2620 | 313-421-2621 | 313-421-2625 | 313-421-2666 |
313-421-3XXX: 313-421-3400 | 313-421-3420 | 313-421-3421 | 313-421-3423 | 313-421-3444 | 313-421-3450 |
313-421-4XXX: 313-421-4300 | 313-421-4330 | 313-421-4331 | 313-421-4333 | 313-421-4350 | 313-421-4400 | 313-421-4430 | 313-421-4433 | 313-421-4435 | 313-421-4440 | 313-421-4444 |
313-421-5XXX: 313-421-5500 | 313-421-5530 | 313-421-5535 | 313-421-5536 | 313-421-5566 | 313-421-5589 |
313-421-6XXX: 313-421-6700 | 313-421-6701 | 313-421-6706 | 313-421-6777 |
313-421-7XXX: 313-421-7400 | 313-421-7401 | 313-421-7407 | 313-421-7490 | 313-421-7498 | 313-421-7499 | 313-421-7600 | 313-421-7657 | 313-421-7660 | 313-421-7666 | 313-421-7667 |
313-421-9XXX: 313-421-9600 | 313-421-9650 | 313-421-9660 | 313-421-9690 | 313-421-9697 | 313-421-9699 |