What does 503 Stand For?
For 503 we have found 10 definitions.
What does 503 mean? We know 10 definitions for 503 abbreviation or acronym in 2 categories. Possible 503 meaning as an acronym, abbreviation, shorthand or slang term vary from category to category. Please look for them carefully.
503 Stands For:
United States Phone area code Telephone area code Us area code Us state code
|**||503 RCT||503rd Regimental Combat Team|
|*||503||Out of Resources|
Http error codes
|*||503 IA*||Des Moines|
|*||503||Oregon - Northwest and Portland tri-metro|
Us phone area codes