866 - the first three digits of the square root of 3 divided by two (.866....), which is the value of cos(pi/6) and sin(pi/3)

Torrer, you are a real smartass.

NbN gets points for this interesting quiz, but how can you get "925 - Common working hours in the United States" but not get "365 - days in a year"?

180 - half rotation on an axis
#200 - did an animated version of my stickfigure comic instead of a static one
295 - Richmond VA area's "beltway"
300 - degrees(C) wood burns without an ignition source
302 - former apartment number
360 - full rotation on an axis
366 - days in Leap year
450 - current weight of my heaviest friend
495 - DC area's beltway
540 - Central/Central Western VA area code
650 - # of dollars it took to fix my car after the exhaust system disintegrated
703 - No. VA area code
757 - Tidewater VA area code
804 - South Central VA area code
955 - last call for breakfast at cafe at work

143. A number that keeps popping up in my life. Also my engineer number for work.
555. Subaru's sponsor for WRC rallying.
333. Satan's nipper's number.

Dirty Harry actually had a .44 magnum, not a wimpy little .357 :-)

006 -- James Bond's predecessor (Goldeneye, IIRC)
308 -- rifle caliber
215 -- Philadelphia area code
409 -- spray cleaner
609 -- New Jersey area code
610 -- Philadelphia suburbs area code

110 & 120 - Your nomal house voltage
220 - voltage at the panel and for large appliances
221 - whatever it takes

222 - "Room 222", TV show in the early 70s
777 - winning reels on many (most?) slot machines
100 - percentage to complete
300 - perfect bowling score
600 - rule-of-thumb miles to break in a new car

777 - Blackjack

405 - SEC "know your customer"

355/113 -- Not the famous irrational number PI, but an incredible simulation!

you forgot the 496, but i guess that's technically just a de-stroked 502.

909 and 951 are area codes for the eastern part of southern california.

Add the 787. :)

*Bump*

222 - 'Room 222', a '70s TV show with hottie Karen Valentine (she's probably on RetroCrush.com for you youngsters)

223 - Caliber of a Mini-14 and other NATO rounds

308 - Ferrari

321 - Liftoff

626 - Sporty Mazda

911 - Sept 11, duh
Porsche

928 - Porsche

944 - Porsche (I actually owned one of these eons ago)

302 - Delaware area code
411 - Telephone directory
789 - reminds me of a childhood joke.. why was 6 afraid of 7? because 789!

306 - As in my mum's red Peugeot 306 car, the one i am now old enough to drive! Yay!