区号 美利堅合眾國 (美国) 区号美利堅合眾國 (美国): 市/镇或地区 区号 1.Maine2072.Maryland3013.Maryland6674.Maryland2405.Maryland4436.Maryland4107.Massachusetts7748.Massachusetts3399.Massachusetts97810.Massachusetts85711.Massachusetts41312.Massachusetts78113.Massachusetts35114.Massachusetts50815.Massachusetts61716.Michigan61617.Michigan23118.Michigan24819.Michigan73420.Michigan81021.Michigan90622.Michigan94723.Michigan98924.Michigan26925.Michigan31326.Michigan51727.Michigan58628.Minnesota61229.Minnesota50730.Minnesota32031.Minnesota95232.Minnesota76333.Minnesota21834.Minnesota65135.Mississippi76936.Mississippi66237.Mississippi22838.Mississippi60139.Missouri63640.Missouri41741.Missouri66042.Missouri31443.Missouri57344.Missouri81645.Montana406