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Zone 1 Area 501 Exchange Codes

These are all the exchange codes in Zone 1 Area 501 where Exchanges have been detailed or have reports of scam usage.

204 209 222 226 229 242 255 260 295 301
302 333 386 404 413 421 429 436 438 478
503 504 507 547 570 606 613 694 722 725
733 777 781 819 859 902 904 918 930 957