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The meaning of the Acronym 503 is...
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Internet
HTTP Error Codes
503
503 is
Out of Resources
More Meanings For 503:
Out of Resources
El Salvador
Oregon - Northwest and Portland tri-metro
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Acronym Definition Searched:
ATA
PW
CTSU
VRML
EDT
TE
89310
DPPS
8AF
MVP
JAQ
04623
YKD
KH
JVM