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US ZIP Codes → IA → SIOUX CITY → 21ST ST

21ST ST, SIOUX CITY, IA ZIP Code

Street21ST ST
CitySIOUX CITY
StateIowa
ZIP Codes count2 (see all)
Post offices count1 (see all)
ZIP Codes for 21ST ST, SIOUX CITY, Iowa
51104, 51105
This list contains only 5-digit ZIP codes. Use our zip code lookup by address feature to get the full 9-digit (ZIP+4) code.

ZIP+4 Codes for 21ST ST, SIOUX CITY, IA by house number

Address rangeHouse numberZIP+4 code
From 10 To 12 Even10, 1251104-1214
From 101 To 105 Odd101, 103, 10551104-1215
From 112 To 116 Even112, 114, 11651104-1216
From 200 To 298 Even200, 202, 204, 206, 208, 210, 212, 214, 216, 218, 220, 222, 224, 226, 228, 230, 232, 234, 236, 238, 240, 242, 244, 246, 248, 250, 252, 254, 256, 258, 260, 262, 264, 266, 268, 270, 272, 274, 276, 278, 280, 282, 284, 286, 288, 290, 292, 294, 296, 29851104-3809
From 201 To 299 Odd201, 203, 205, 207, 209, 211, 213, 215, 217, 219, 221, 223, 225, 227, 229, 231, 233, 235, 237, 239, 241, 243, 245, 247, 249, 251, 253, 255, 257, 259, 261, 263, 265, 267, 269, 271, 273, 275, 277, 279, 281, 283, 285, 287, 289, 291, 293, 295, 297, 29951104-3808
From 300 To 398 Even300, 302, 304, 306, 308, 310, 312, 314, 316, 318, 320, 322, 324, 326, 328, 330, 332, 334, 336, 338, 340, 342, 344, 346, 348, 350, 352, 354, 356, 358, 360, 362, 364, 366, 368, 370, 372, 374, 376, 378, 380, 382, 384, 386, 388, 390, 392, 394, 396, 39851104-3811
From 301 To 399 Odd30151104-3863
    301, APT Range A - O51104-3863
303, 305, 307, 309, 311, 313, 315, 317, 319, 321, 323, 325, 327, 329, 331, 333, 335, 337, 339, 341, 343, 345, 347, 349, 351, 353, 355, 357, 359, 361, 363, 365, 367, 369, 371, 373, 375, 377, 379, 381, 383, 385, 387, 389, 391, 393, 395, 397, 39951104-3810
From 403 To 411 Odd403, 40551104-3812
40751104-3861
    407, APT Range 1 - 351104-3861
409, 41151104-3812
From 500 To 598 Even500, 502, 504, 506, 508, 510, 512, 514, 516, 518, 520, 522, 524, 526, 528, 530, 532, 534, 536, 538, 540, 542, 544, 546, 548, 550, 552, 554, 556, 558, 560, 562, 564, 566, 568, 570, 572, 574, 576, 578, 580, 582, 584, 586, 588, 590, 592, 594, 596, 59851104-3403
From 501 To 599 Odd501, 503, 505, 507, 509, 511, 513, 515, 517, 519, 521, 523, 525, 527, 529, 531, 533, 535, 537, 539, 541, 543, 545, 547, 549, 551, 553, 555, 557, 559, 561, 563, 565, 567, 569, 571, 573, 575, 577, 579, 581, 583, 585, 587, 589, 591, 593, 595, 597, 59951104-3402
From 700 To 798 Even700, 702, 704, 706, 708, 710, 712, 714, 716, 718, 720, 722, 724, 726, 728, 730, 732, 734, 736, 738, 740, 742, 744, 746, 748, 750, 752, 754, 756, 758, 760, 762, 764, 766, 768, 770, 772, 774, 776, 778, 780, 782, 784, 786, 788, 790, 792, 794, 796, 79851104-3417
From 701 To 799 Odd701, 703, 705, 707, 709, 711, 713, 715, 717, 719, 721, 723, 725, 727, 729, 731, 733, 735, 737, 739, 741, 743, 745, 747, 749, 751, 753, 755, 757, 759, 761, 763, 765, 767, 769, 771, 773, 775, 777, 779, 781, 783, 785, 787, 789, 791, 793, 795, 797, 79951104-3416
From 900 To 998 Even900, 902, 904, 906, 908, 910, 912, 914, 916, 918, 920, 922, 924, 926, 928, 930, 932, 934, 936, 938, 940, 942, 944, 946, 948, 950, 952, 954, 956, 958, 960, 962, 964, 966, 968, 970, 972, 974, 976, 978, 980, 982, 984, 986, 988, 990, 992, 994, 996, 99851104-3419
From 901 To 999 Odd901, 903, 905, 907, 909, 911, 913, 915, 917, 919, 921, 923, 925, 927, 929, 931, 933, 935, 937, 939, 941, 943, 945, 947, 949, 951, 953, 955, 957, 959, 961, 963, 965, 967, 969, 971, 973, 975, 977, 979, 981, 983, 985, 987, 989, 991, 993, 995, 997, 99951104-3418
From 1000 To 1098 Even1000, 1002, 1004, 1006, 1008, 1010, 1012, 1014, 1016, 1018, 1020, 1022, 1024, 1026, 1028, 1030, 1032, 1034, 1036, 1038, 1040, 1042, 1044, 1046, 1048, 1050, 1052, 1054, 1056, 1058, 1060, 1062, 1064, 1066, 1068, 1070, 1072, 1074, 1076, 1078, 1080, 1082, 1084, 1086, 1088, 1090, 1092, 1094, 1096, 109851104-3201
From 1115 To 1121 Odd111551104-3208
    1115, APT Range 1 - 351104-3208
1117, 1119, 112151104-3202
From 1205 To 1227 Odd1205, 1207, 1209, 1211, 1213, 1215, 1217, 1219, 1221, 1223, 1225, 122751104-3204
From 1212 To 1218 Even1212, 1214, 1216, 121851104-3205
From 1301 To 1335 Odd1301, 1303, 1305, 1307, 1309, 1311, 1313, 1315, 1317, 1319, 1321, 1323, 1325, 1327, 1329, 1331, 1333, 133551104-3206
From 1308 To 1318 Even1308, 1310, 1312, 1314, 1316, 131851104-3207
1400140051104-3209
1514151451104-3240
From 3200 To 3298 Even3200, 3202, 3204, 3206, 3208, 3210, 3212, 3214, 3216, 3218, 3220, 3222, 3224, 3226, 3228, 3230, 3232, 3234, 3236, 3238, 3240, 3242, 3244, 3246, 3248, 3250, 3252, 3254, 3256, 3258, 3260, 3262, 3264, 3266, 3268, 3270, 3272, 3274, 3276, 3278, 3280, 3282, 3284, 3286, 3288, 3290, 3292, 3294, 3296, 329851105-2401
From 3201 To 3299 Odd3201, 3203, 3205, 3207, 3209, 3211, 3213, 3215, 3217, 3219, 3221, 3223, 3225, 3227, 3229, 3231, 3233, 3235, 3237, 3239, 3241, 3243, 3245, 3247, 3249, 3251, 3253, 3255, 3257, 3259, 3261, 3263, 3265, 3267, 3269, 3271, 3273, 3275, 3277, 3279, 3281, 3283, 3285, 3287, 3289, 3291, 3293, 3295, 3297, 329951105-2402
From 3301 To 3399 Odd3301, 3303, 3305, 3307, 3309, 3311, 3313, 3315, 3317, 3319, 3321, 3323, 3325, 3327, 3329, 3331, 3333, 3335, 3337, 3339, 3341, 3343, 3345, 3347, 3349, 3351, 3353, 3355, 3357, 3359, 3361, 3363, 3365, 3367, 3369, 3371, 3373, 3375, 3377, 3379, 3381, 3383, 3385, 3387, 3389, 3391, 3393, 3395, 3397, 339951105-2404

List of 21ST ST, SIOUX CITY, IA ZIP Codes

ZIPTYPEPOPULATION
51104STANDARD23,038
51105STANDARD10,902

Post offices

SIOUX CITY — Post Office™
214 JACKSON ST SIOUX CITY, IA 51101-9998

Envelope example

Using the full ZIP+4 Code when mailing via the USPS ensures the fastest, most accurate mailing possible. If you are not sure of the full 9-digit ZIP Code, use the 5-digit ZIP Code to avoid loss of letter or package.
The recipient address information is provided for your reference.
The recipient address information is provided for your reference.

Address example

1006 21ST ST
SIOUX CITY IA  51104-3201
745 21ST ST
SIOUX CITY IA  51104-3416
362 21ST ST
SIOUX CITY IA  51104-3811
3397 21ST ST
SIOUX CITY IA  51105-2404
934 21ST ST
SIOUX CITY IA  51104-3419
766 21ST ST
SIOUX CITY IA  51104-3417

Map

ZIP Codes for other locations

State and city for 21ST ST
Iowa ZIP CodesSIOUX CITY ZIP Codes
ZIP Codes by ZIP count in Iowa
DES MOINESCEDAR RAPIDSDAVENPORTIOWA CITYCITIGROUP
Other streets in SIOUX CITY, Iowa
W 19TH ST20TH STW 20TH ST21ST STW 21ST ST22ND STW 22ND ST