List of states:

[AL] Alabama
[AK] Alaska
[AZ] Arizona
[AR] Arkansas
[CA] California
[CO] Colorado
[CT] Connecticut
[DE] Delaware
[DC] District of Columbia
[FL] Florida
[GA] Georgia
[HI] Hawaii
[ID] Idaho
[IL] Illinois
[IN] Indiana
[IA] Iowa
[KS] Kansas
[KY] Kentucky
[LA] Louisiana
[ME] Maine
[MD] Maryland
[MA] Massachusetts
[MI] Michigan
[MN] Minnesota
[MS] Mississippi
[MO] Missouri
[MT] Montana
[NE] Nebraska
[NV] Nevada
[NH] New Hampshire
[NJ] New Jersey
[NM] New Mexico
[NY] New York
[NC] North Carolina
[ND] North Dakota
[OH] Ohio
[OK] Oklahoma
[OR] Oregon
[PA] Pennsylvania
[PR] Puerto Rico
[RI] Rhode Island
[SC] South Carolina
[SD] South Dakota
[TN] Tennessee
[TX] Texas
[UT] Utah
[VT] Vermont
[VA] Virginia
[WA] Washington
[WV] West Virginia
[WI] Wisconsin
[WY] Wyoming

List of cities in Colorado:

CO 800HH
CO 800XX
CO 801XX
CO 804HH
CO 804XX
CO 806HH
CO 807HH
CO 810HH
CO 810XX
CO 811XX
CO 812HH
CO 812XX
CO 813XX
CO 814XX
CO 815HH
CO 815XX
CO 816HH
CO 816XX
Agate, CO 80101
Aguilar, CO 81020
Akron, CO 80720
Alamosa, CO 81101
Allenspark, CO 80510
Alma, CO 80420
Almont, CO 81210
Amherst, CO 80721
Anton, CO 80801
Antonito, CO 81120
Arapahoe, CO 80802
Arboles, CO 81121
Arlington, CO 81021
Arriba, CO 80804
Arvada, CO 80002
Arvada, CO 80003
Arvada, CO 80004
Arvada, CO 80005
Arvada, CO 80007
Aspen, CO 81611
Atwood, CO 80722
Ault, CO 80610
Aurora, CO 80010
Aurora, CO 80011
Aurora, CO 80012
Aurora, CO 80013
Aurora, CO 80014
Aurora, CO 80015
Aurora, CO 80016
Aurora, CO 80017
Aurora, CO 80018
Aurora, CO 80019
Austin, CO 81410
Avon, CO 81620
Bailey, CO 80421
Basalt, CO 81621
Battlement Mesa, CO 81635
Bayfield, CO 81122
Bedrock, CO 81411
Bellvue, CO 80512
Bennett, CO 80102
Berthoud, CO 80513
Bethune, CO 80805
Beulah, CO 81023
Black Hawk, CO 80422
Blanca, CO 81123
Boncarbo, CO 81024
Bond, CO 80423
Boone, CO 81025
Boulder, CO 80301
Boulder, CO 80302
Boulder, CO 80303
Boulder, CO 80304
Bow Mar, CO 80123
Branson, CO 81027
Breckenridge, CO 80424
Briggsdale, CO 80611
Broomfield, CO 80020
Brush, CO 80723
Buena Vista, CO 81211
Buffalo Creek, CO 80425
Burlington, CO 80807
Burns, CO 80426
Byers, CO 80103
Caddoa, CO 81044
Cahone, CO 81320
Calhan, CO 80808
Campo, CO 81029
Canon City, CO 81212
Capulin, CO 81124
Carr, CO 80612
Castle Rock, CO 80104
Cedaredge, CO 81413
Center, CO 81125
Central City, CO 80427
Chama, CO 81126
Cheraw, CO 81030
Cherry Hills Vil, CO 80110
Cherry Hills Vil, CO 80111
Cheyenne Wells, CO 80810
Chimney Rock, CO 81127
Chivington, CO 81036
Chromo, CO 81128
Cimarron, CO 81220
Clark, CO 80428
Clifton, CO 81520
Coal Creek, CO 81221
Coaldale, CO 81222
Coalmont, CO 80430
Collbran, CO 81624
Colorado Springs, CO 80903
Colorado Springs, CO 80904
Colorado Springs, CO 80905
Colorado Springs, CO 80906
Colorado Springs, CO 80907
Colorado Springs, CO 80908
Colorado Springs, CO 80909
Colorado Springs, CO 80910
Colorado Springs, CO 80911
Colorado Springs, CO 80915
Colorado Springs, CO 80916
Colorado Springs, CO 80917
Colorado Springs, CO 80918
Colorado Springs, CO 80919
Colorado Springs, CO 80920
Colorado Springs, CO 80921
Colorado Springs, CO 80922
Colorado Springs, CO 80925
Colorado Springs, CO 80926
Colorado Springs, CO 80928
Colorado Springs, CO 80929
Colorado Springs, CO 80930
Commerce City, CO 80022
Como, CO 80432
Conifer, CO 80433
Cope, CO 80812
Cortez, CO 81321
Cotopaxi, CO 81223
Cowdrey, CO 80434
Craig, CO 81625
Crawford, CO 81415
Creede, CO 81130
Crested Butte, CO 81224
Crested Butte, CO 81225
Crestone, CO 81131
Cripple Creek, CO 80813
Crook, CO 80726
Crowley, CO 81033
Cuchara, CO 81055
Dacono, CO 80514
De Beque, CO 81630
Deckers, CO 80135
Deer Trail, CO 80105
Delhi, CO 81059
Delta, CO 81416
Denver, CO 80202
Denver, CO 80203
Denver, CO 80204
Denver, CO 80205
Denver, CO 80206
Denver, CO 80207
Denver, CO 80209
Denver, CO 80210
Denver, CO 80211
Denver, CO 80216
Denver, CO 80218
Denver, CO 80219
Denver, CO 80220
Denver, CO 80223
Denver, CO 80224
Denver, CO 80227
Denver, CO 80230
Denver, CO 80231
Denver, CO 80235
Denver, CO 80236
Denver, CO 80237
Denver, CO 80239
Denver, CO 80246
Denver, CO 80249
Denver, CO 80260
Denver, CO 80264
Denver, CO 80290
Denver, CO 80293
Denver, CO 80294
Deora, CO 81054
Dinosaur, CO 81610
Divide, CO 80814
Dolores, CO 81323
Dove Creek, CO 81324
Drake, CO 80515
Dumont, CO 80436
Dupont, CO 80024
Durango, CO 81301
Eagle, CO 81631
Eaton, CO 80615
Eckert, CO 81418
Eckley, CO 80727
Edgewater, CO 80214
Edwards, CO 81632
Egnar, CO 81325
Elbert, CO 80106
Eldorado Springs, CO 80025
Elizabeth, CO 80107
Empire, CO 80438
Englewood, CO 80112
Erie, CO 80516
Estes Park, CO 80517
Evans, CO 80620
Evergreen, CO 80439
Fairplay, CO 80440
Farisita, CO 81040
Farista, CO 81089
Federal Heights, CO 80221
Firestone, CO 80520
Flagler, CO 80815
Fleming, CO 80728
Florence, CO 81226
Florissant, CO 80816
Fort Carson, CO 80913
Fort Collins, CO 80521
Fort Collins, CO 80524
Fort Collins, CO 80525
Fort Collins, CO 80526
Fort Collins, CO 80528
Fort Garland, CO 81133
Fort Morgan, CO 80701
Fountain, CO 80817
Fowler, CO 81039
Franktown, CO 80116
Fraser, CO 80442
Frederick, CO 80530
Frisco, CO 80443
Fruita, CO 81521
Fruitvale, CO 81504
Garden City, CO 80631
Gateway, CO 81522
Genoa, CO 80818
Georgetown, CO 80444
Gilcrest, CO 80623
Gill, CO 80624
Glade Park, CO 81523
Glen Haven, CO 80532
Glendale, CO 80222
Glenwood Springs, CO 81601
Golden, CO 80401
Golden, CO 80403
Granada, CO 81041
Granby, CO 80446
Grand Junction, CO 81501
Grand Junction, CO 81503
Grand Junction, CO 81505
Grand Junction, CO 81506
Grand Lake, CO 80447
Grant, CO 80448
Greeley, CO 80634
Green Mountain Fall, CO 80819
Greenwood Villag, CO 80121
Grover, CO 80729
Guffey, CO 80820
Gunnison, CO 81230
Gypsum, CO 81637
Hale, CO 80735
Hamilton, CO 81638
Hartman, CO 81043
Hartsel, CO 80449
Haswell, CO 81045
Haxtun, CO 80731
Hayden, CO 81639
Henderson, CO 80640
Hesperus, CO 81326
Highlands Ranch, CO 80126
Hillrose, CO 80733
Holly, CO 81047
Holyoke, CO 80734
Hooper, CO 81136
Hot Sulphur Springs, CO 80451
Hotchkiss, CO 81419
Howard, CO 81233
Hoyt, CO 80654
Hudson, CO 80642
Hugo, CO 80821
Idaho Springs, CO 80452
Ignacio, CO 81137
Iliff, CO 80736
Indian Hills, CO 80454
Jamestown, CO 80455
Jansen, CO 81082
Jefferson, CO 80456
Jelm, CO 82063
Joes, CO 80822
Johnstown, CO 80534
Julesburg, CO 80737
Karval, CO 80823
Keenesburg, CO 80643
Kersey, CO 80644
Keystone, CO 80435
Kiowa, CO 80117
Kirk, CO 80824
Kit Carson, CO 80825
Kittredge, CO 80457
Kremmling, CO 80459
La Garita, CO 81132
La Jara, CO 81140
La Salle, CO 80645
Lafayette, CO 80026
Laird, CO 80758
Lake City, CO 81235
Lake George, CO 80827
Lakewood, CO 80215
Lakewood, CO 80226
Lakewood, CO 80228
Lakewood, CO 80232
Lamar, CO 81052
Laporte, CO 80535
Larkspur, CO 80118
Last Chance, CO 80757
Leadville, CO 80461
Lewis, CO 81327
Limon, CO 80828
Lindon, CO 80740
Littleton, CO 80120
Littleton, CO 80122
Littleton, CO 80124
Littleton, CO 80125
Littleton, CO 80127
Littleton, CO 80128
Lochbui, CO 80601
Log Lane Village, CO 80705
Loma, CO 81524
Longmont, CO 80501
Longmont, CO 80503
Longmont, CO 80504
Louisville, CO 80027
Loveland, CO 80537
Loveland, CO 80538
Lycan, CO 81084
Lyons, CO 80540
Mack, CO 81525
Manassa, CO 81141
Mancos, CO 81328
Manitou Springs, CO 80829
Manzanola, CO 81058
Marble, CO 81623
Matheson, CO 80830
Maybell, CO 81640
Mc Clave, CO 81057
Mc Coy, CO 80463
Mead, CO 80542
Meeker, CO 81641
Meredith, CO 81642
Mesa, CO 81643
Mesa Verde National, CO 81330
Mesita, CO 81152
Milliken, CO 80543
Minturn, CO 81645
Moffat, CO 81143
Molina, CO 81646
Monte Vista, CO 81144
Montrose, CO 81401
Monument, CO 80132
Morrison, CO 80465
Mosca, CO 81146
Mountain View, CO 80212
Nathrop, CO 81236
Naturita, CO 81422
Nederland, CO 80466
New Castle, CO 81647
New Raymer, CO 80742
North Avondale, CO 81022
North Pole, CO 80809
Northglenn, CO 80233
Northglenn, CO 80234
Northglenn, CO 80241
Norwood, CO 81423
Nucla, CO 81424
Nunn, CO 80648
Oak Creek, CO 80467
Olathe, CO 81425
Olney Springs, CO 81062
Ophir, CO 81426
Orchard, CO 80649
Ordway, CO 81063
Otis, CO 80743
Ouray, CO 81427
Ovid, CO 80744
Padroni, CO 80745
Pagosa Springs, CO 81147
Palisade, CO 81526
Palmer Lake, CO 80133
Paonia, CO 81428
Parker, CO 80134
Parker, CO 80138
Parlin, CO 81239
Parshall, CO 80468
Peetz, CO 80747
Penrose, CO 81240
Peyton, CO 80831
Phippsburg, CO 80469
Pierce, CO 80650
Pine, CO 80470
Pitkin, CO 81241
Placerville, CO 81430
Platteville, CO 80651
Pleasant View, CO 81331
Powderhorn, CO 81243
Pueblo, CO 81001
Pueblo, CO 81003
Pueblo, CO 81004
Pueblo, CO 81005
Pueblo, CO 81006
Pueblo, CO 81008
Pueblo West, CO 81007
Ramah, CO 80832
Rand, CO 80473
Rangely, CO 81648
Red Cliff, CO 81649
Red Feather Lake, CO 80545
Redvale, CO 81431
Rico, CO 81332
Ridgway, CO 81432
Rifle, CO 81650
Rockvale, CO 81244
Rocky Ford, CO 81067
Roggen, CO 80652
Rollinsville, CO 80474
Romeo, CO 81148
Rush, CO 80833
Rye, CO 81069
Saguache, CO 81149
Salida, CO 81201
San Pablo, CO 81153
Sanford, CO 81151
Sargents, CO 81248
Sedgwick, CO 80749
Seibert, CO 80834
Silt, CO 81652
Silver Plume, CO 80476
Silverthorne, CO 80498
Silverton, CO 81433
Simla, CO 80835
Slater, CO 81653
Snowmass, CO 81654
Snowmass Village, CO 81615
Snyder, CO 80750
Somerset, CO 81434
South Fork, CO 81154
Springfield, CO 81073
Steamboat Spring, CO 80487
Sterling, CO 80751
Stoneham, CO 80754
Strasburg, CO 80136
Stratton, CO 80836
Sugar City, CO 81076
Swink, CO 81077
Tabernash, CO 80478
Telluride, CO 81435
Thornton, CO 80229
Timnath, CO 80547
Timpas, CO 81050
Toponas, CO 80479
Towaoc, CO 81334
Towner, CO 81071
Trinchera, CO 81081
Twin Lakes, CO 81251
United States Ai, CO 80840
Utleyville, CO 81064
Vail, CO 81657
Vernon, CO 80755
Victor, CO 80860
Vilas, CO 81087
Villa Grove, CO 81155
Villegreen, CO 81049
Virginia Dale, CO 80536
Vona, CO 80861
Walden, CO 80480
Walsenburg, CO 81066
Walsh, CO 81090
Ward, CO 80481
Watkins, CO 80137
Wattenburg, CO 80621
Weldona, CO 80653
Wellington, CO 80549
Westcliffe, CO 81252
Westminster, CO 80021
Westminster, CO 80030
Westminster, CO 80031
Weston, CO 81091
Wetmore, CO 81253
Wheat Ridge, CO 80033
Whitewater, CO 81527
Wild Horse, CO 80862
Wiley, CO 81092
Willard, CO 80741
Windsor, CO 80550
Winter Park, CO 80482
Wolcott, CO 81655
Woodland Park, CO 80863
Woodland Park, CO 80866
Woody Creek, CO 81656
Yampa, CO 80483
Yellow Jacket, CO 81335
Yoder, CO 80864
Yuma, CO 80759