Caller ID for
Area code 313
Area code 313 Detroit, Michigan
Area code 313 is one of the original 1947 area codes, in Michigan, with numbers assigned in Detroit. It’s 12:10 AM there now.
- State
- Michigan13 area codes in Michigan
- Time zone
- Eastern12:10 AM there now
- Exchanges
- 7691 place
- Overlay
- 679Same area, 10-digit dialing
- No sign-up
- We never contact the number
- Spam risk included
Looking up the caller ID…
Caller ID names come from phone carrier records and are often outdated or missing. Our full report matches about 86% of numbers to TransUnion® credit data, with their FICO® Score 4.
See who’s behind this number
The full report: the owner, their address and a real FICO® Score 4.
A full report shows the owner, their address, FICO Score 4 and credit profile. The preview here is blurred sample text.
$1 today · 7-day Platinum trial, then $59/month · cancel anytime
Full reports include credit data, so you’ll confirm a permissible purpose first, like the person’s consent or their application. Caller ID doesn’t need one.
Free lookups come back in
00h00m00s
Get 100+ lookups a month
Or try Platinum: $1 for 7 days, then $59/month · cancel anytime
Where area code 313 is
Numbers in 313 are assigned to 1 place in 1 county: Wayne County.
Detroit holds most of them: 100% of the exchanges.
- Detroit769
Phone companies in 313
769 blocks of numbers in 313 are held by 34 phone companies. The most belong to AT&T (244), T-Mobile (156) and AT&T Mobility (95).
A mix: about 40% wireless, 33% local phone and cable and 27% other carriers, including internet phone services.
A block’s holder is the company it was first assigned to; numbers can move to other carriers since.
History and overlays
313 has been in service since 1947, when the first North American area codes were set up.
679 (since 2025) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.
76 new exchanges were assigned since 2021, the latest in May 2026.
Calling 313
It’s 12:10 AM Eastern time in 313 right now.
From elsewhere in the U.S., dial 1, 313 and the 7-digit number; inside the area, all 10 digits too.
Nearby area codes
Michigan has 13 area codes: 231, 248, 269, 313, 517, 586, 616, 679, 734, 810, 906, 947 and 989.
- 586 · Mount Clemens, MI · about 15 mi
- 248 · Pontiac, MI · about 18 mi
- 947 · Ortonville, MI · about 24 mi
- 734 · Ann Arbor, MI · about 26 mi
- 810 · Flint, MI · about 42 mi
- 517 · Lansing, MI · about 71 mi
From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.
Map of the 313 area code
Map of the 313 area code around Detroit, Michigan.
Cities on the map
More than three a day
Every plan includes caller ID lookups.
Caller ID and carrier lookups every month, plus full reports with the owner, their address and a real FICO® Score 4.
Basic
$29a month
Try it: $1 for 1 day
- 100 caller ID & carrier lookups a month
- 3 full reports a month
- Owner, address and FICO® Score 4
- Or $99 a year
$1 today, then $29/month after 1 day · cancel anytime
Most lookups
Platinum
$59a month
Try it: $1 for 7 days
- 1,000 caller ID & carrier lookups a month
- 5 full reports a month
- Owner, address and FICO® Score 4
- Or $199 a year
$1 today, then $59/month after 7 days · cancel anytime
Just one report
$19.99one time
No subscription
- Who the number belongs to
- Current address
- FICO® Score 4 and credit profile
$19.99 once · nothing to cancel
You pick a plan after looking up a number. Full reports need a permissible purpose, like the person’s consent. Caller ID lookups past a plan’s monthly amount are 5¢ each; during a trial, up to 10 are included.
Questions about 313
Where is area code 313?
In Michigan, covering Detroit across 1 county.
What time zone is 313 in?
Eastern time. It was 12:10 AM there when this page loaded.
Is 313 an overlay?
Yes. 679 serves the same area, so dial all 10 digits for local calls.
Which phone companies have 313 numbers?
34 companies hold blocks; the most belong to AT&T, T-Mobile and AT&T Mobility. About 40% of blocks are wireless.
Is 313 running out of numbers?
Not on record. 76 new exchanges have been assigned since 2021.