I just received a call (didn't answer) from 313.263.5113 - left no message.
I work for a telephone company...this is a Detroit MI telephone number and here are some details.
AreaCode/Prefix (Exchange) 313-263
AreaCode/Prefix 313-263 Details
NPA/Area Code: 313 NXX Use Type: LANDLINE
NXX/Prefix: 263 NXX Intro Version: 2000-08-20
City: DETROIT New NPA:
State: MI Latitude: 42.3343
County: WAYNE Longitude: -83.0563
County Population: 1820584 LATA: 340
ZIP Code: 48233 Overlay:
ZIP Code Pop: 0 Rate Center: DETROITZN1
ZIP Code Freq: -1 OCN: 7421
Time Zone: Eastern (GMT -05:00) FIPS: 26163
Observes DST: Unknown CBSA Code: 19820
CBSA Name: Detroit-Warren-Dearborn, MI
Prefix Status: Active
Carrier/Company: AT&T LOCAL