313-557

You are reviewing the Area Code (NPA/NXX) report for 313-557. Did you mean to search the SMS short code 313557?

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🌴 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 Number	313557
Basic Format	313-557
NPA (Area Code)	313
NXX	557

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	City	State	Region	Block Available Date
313-557-0XXX	7279	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI	DETROITZN1	RT	DETROIT ZONE 01	MI	MW
313-557-1XXX	7279	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI	DETROITZN1	RT	DETROIT ZONE 01	MI	MW
313-557-2XXX	7279	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI	DETROITZN1	RT	DETROIT ZONE 01	MI	MW
313-557-3XXX	7279	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI	DETROITZN1	RT	DETROIT ZONE 01	MI	MW
313-557-4XXX	7279	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI	DETROITZN1	RT	DETROIT ZONE 01	MI	MW
313-557-5XXX	7279	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI	DETROITZN1	RT	DETROIT ZONE 01	MI	MW
313-557-6XXX	7279	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI	DETROITZN1	RT	DETROIT ZONE 01	MI	MW
313-557-7XXX	7279	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI	DETROITZN1	RT	DETROIT ZONE 01	MI	MW
313-557-8XXX	7279	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI	DETROITZN1	RT	DETROIT ZONE 01	MI	MW
313-557-9XXX	7279	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI	DETROITZN1	AV	DETROIT ZONE 01	MI	MW	11/14/2025
313-557-XXXX	7279	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI	DETROITZN1	AS	DETROIT ZONE 01	MI

Reports

Anonymous User from , IN

January 23, 2026 at 2:34 PM

313-557-8561 reported as a Robocall. Received on January 21, 2026 at 12:00 AM.
Call for Medical & prescriptions

Anonymous User from , IN

January 23, 2026 at 2:33 PM

313-557-8561 reported as a Robocall. Received on January 22, 2026 at 12:00 AM.
Call for Medical & prescriptions

Anonymous User from Detroit, Michigan

November 19, 2025 at 1:32 PM

313-557-0513 reported as a Robocall. Received on November 19, 2025 at 1:00 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Detroit, Michigan

June 6, 2023 at 7:47 PM

313-557-6598 reported as a Live Voice or Other. Received on June 6, 2023 at 12:00 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Chesapeake, Virginia

November 9, 2022 at 3:53 PM

313-557-9644 reported as a unwanted call. Received on November 1, 2022 at 4:10 PM.
Call for No Subject Provided

Anonymous User from , MI

June 7, 2022 at 1:55 PM

313-557-1755 reported as a Robocall. Received on June 7, 2022 at 12:49 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Most 'popular' numbers on this prefix:

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313-557-9XXX: 313-557-9300 | 313-557-9303 | 313-557-9330 | 313-557-9350 | 313-557-9355 | 313-557-9357 | 313-557-9600 | 313-557-9640 | 313-557-9645 | 313-557-9650 | 313-557-9660 |