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720 Area Code

What Is Area Code 720?

Area code 720 is one of the area codes in Colorado. It was created on July 1, 1999. 720 covers the eastern portion of the Denver metropolitan area.

How Many Cities In The US Use 720 As Their Area Code?

There are a total of 9 cities in the US that currently use 720 as their area code. They are located in the states of Colorado, Illinois, Indiana, Nebraska, New Mexico, North Dakota, South Dakota, and Wyoming.

Why Should I Lookup Numbers With Area Code 720?

Area code 720 serves the entire state of Colorado. If you're looking up a number in that area, you'll want to use the 720 area code. This area code is one of the newest in the United States, and it was created in 1998.

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Cities Served by 720 Are Code

  • North Dakota, ND
  • Nevada, NV
  • Virginia, VA
  • North Carolina, NC
  • Georgia, GA
  • California, CA
  • Illinois, IL
  • Iowa, IA
  • Texas, TX
  • California, CA
  • Wisconsin, WI
  • New York, NY
  • Pennsylvania, PA
  • New York, NY
  • Colorado, CO

Details of Prefixes in 720 Area Code

Prefix
Current Location
Carrier
Type
  • (720) 200
    Englewood
    Qwest Corporation
    Landline
  • (720) 201
    Denver
    New Cingular Wireless Pcs, Llc
    Mobile
  • (720) 202
    Westminster
    Cellco Partnership Dba Verizon Wireless - Co
    Mobile
  • (720) 203
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 204
    Denver
    At&t Local
    Landline
  • (720) 205
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 206
    Englewood
    Xo Colorado, Llc
    Landline
  • (720) 207
    Englewood
    Xo Colorado, Llc
    Landline
  • (720) 208
    Englewood
    Xo Colorado, Llc
    Landline
  • (720) 209
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 210
    Denver
    Xo Colorado, Llc
    Landline
  • (720) 212
    Denver
    Xo Colorado, Llc
    Landline
  • (720) 213
    Denver
    Mcleodusa Telecommunications Services, Inc.- Co
    Landline
  • (720) 214
    Denver
    Mcleodusa Telecommunications Services, Inc.- Co
    Landline
  • (720) 215
    Westminster
    Cellco Partnership Dba Verizon Wireless - Co
    Mobile
  • (720) 216
    Aurora
    Teleport Communications America, Llc - Co
    Landline
  • (720) 217
    Denver
    T-mobile Usa, Inc.
    Mobile
  • (720) 218
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 219
    Englewood
    Cellco Partnership Dba Verizon Wireless - Co
    Mobile
  • (720) 220
    Denver
    T-mobile Usa, Inc.
    Mobile
  • (720) 221
    Englewood
    Xo Colorado, Llc
    Landline
  • (720) 222
    Englewood
    Xo Colorado, Llc
    Landline
  • (720) 223
    Englewood
    Xo Colorado, Llc
    Landline
  • (720) 224
    Denver
    Xo Colorado, Llc
    Landline
  • (720) 225
    Aurora
    Xo Colorado, Llc
    Landline
  • (720) 226
    Denver
    Xo Colorado, Llc
    Landline
  • (720) 227
    Denver
    Xo Colorado, Llc
    Landline
  • (720) 228
    Englewood
    Xo Colorado, Llc
    Landline
  • (720) 229
    Denver
    Xo Colorado, Llc
    Landline
  • (720) 230
    Englewood
    Xo Colorado, Llc
    Landline
  • (720) 231
    Denver
    T-mobile Usa, Inc.
    Mobile
  • (720) 232
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 233
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 234
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 235
    Denver
    Sprint Spectrum L.p.
    Mobile
  • (720) 236
    Denver
    Sprint Spectrum L.p.
    Mobile
  • (720) 237
    Westminster
    New Cingular Wireless Pcs, Llc
    Mobile
  • (720) 238
    Denver
    T-mobile Usa, Inc.
    Mobile
  • (720) 239
    Denver
    At&t Local
    Landline
  • (720) 240
    Englewood
    Xo Colorado, Llc
    Landline
  • (720) 241
    Englewood
    Xo Colorado, Llc
    Landline
  • (720) 242
    Denver
    Qwest Corporation
    Landline
  • (720) 243
    Denver
    New Cingular Wireless Pcs, Llc
    Mobile
  • (720) 244
    Denver
    New Cingular Wireless Pcs, Llc
    Mobile
  • (720) 245
    Westminster
    Eschelon Telecom Of Colorado, Inc. - Co
    Landline
  • (720) 246
    Englewood
    Xo Colorado, Llc
    Landline
  • (720) 247
    Englewood
    Xo Colorado, Llc
    Landline
  • (720) 248
    Denver
    Cbeyond Communications, Llc - Co
    Landline
  • (720) 249
    Englewood
    Xo Colorado, Llc
    Landline
  • (720) 250
    Englewood
    Xo Colorado, Llc
    Landline
  • (720) 251
    Denver
    Level 3 Communications, Llc - Co
    Landline
  • (720) 252
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 253
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 254
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 255
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 256
    Denver
    Sprint Spectrum L.p.
    Mobile
  • (720) 257
    Denver
    Xo Colorado, Llc
    Landline
  • (720) 258
    Denver
    Teleport Communications America, Llc - Co
    Landline
  • (720) 259
    Denver
    Level 3 Communications, Llc - Co
    Landline
  • (720) 260
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 261
    Denver
    T-mobile Usa, Inc.
    Mobile
  • (720) 262
    Denver
    Icg Telecom Group - Co
    Landline
  • (720) 263
    Denver
    Level 3 Communications, Llc - Co
    Landline
  • (720) 264
    Denver
    Qwest Corporation
    Landline
  • (720) 266
    Denver
    Level 3 Communications, Llc - Co
    Landline
  • (720) 267
    Englewood
    Qwest Corporation
    Landline
  • (720) 269
    Aurora
    Teleport Communications America, Llc - Co
    Landline
  • (720) 270
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 271
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 272
    Denver
    New Cingular Wireless Pcs, Llc
    Mobile
  • (720) 273
    Denver
    New Cingular Wireless Pcs, Llc
    Mobile
  • (720) 274
    Denver
    Mcleodusa Telecommunications Services, Inc.- Co
    Landline
  • (720) 275
    Denver
    New Cingular Wireless Pcs, Llc
    Mobile
  • (720) 276
    Denver
    New Cingular Wireless Pcs, Llc
    Mobile
  • (720) 277
    Denver
    Level 3 Communications, Llc - Co
    Landline
  • (720) 278
    Denver
    Level 3 Telecom Of Colorado, Llc - Co
    Landline
  • (720) 279
    Denver
    Level 3 Telecom Of Colorado, Llc - Co
    Landline
  • (720) 280
    Denver
    T-mobile Usa, Inc.
    Mobile
  • (720) 281
    Westminster
    Cellco Partnership Dba Verizon Wireless - Co
    Mobile
  • (720) 282
    Englewood
    Level 3 Telecom Of Colorado, Llc - Co
    Landline
  • (720) 283
    Littleton
    Qwest Corporation
    Landline
  • (720) 284
    Englewood
    Xo Colorado, Llc
    Landline
  • (720) 285
    Denver
    Xo Colorado, Llc
    Landline
  • (720) 286
    Denver
    Teleport Communications America, Llc - Co
    Landline
  • (720) 287
    Denver
    Comcast Phone Of Colorado, Llc - Co
    Landline
  • (720) 288
    Denver
    Bandwidth.com Clec, Llc - Co
    Landline
  • (720) 289
    Denver
    New Cingular Wireless Pcs, Llc
    Mobile
  • (720) 290
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 291
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 292
    Denver
    New Cingular Wireless Pcs, Llc
    Mobile
  • (720) 293
    Englewood
    Xo Colorado, Llc
    Landline
  • (720) 294
    Englewood
    Xo Colorado, Llc
    Landline
  • (720) 295
    Denver
    Bandwidth.com Clec, Llc - Co
    Landline
  • (720) 296
    Denver
    New Cingular Wireless Pcs, Llc
    Mobile
  • (720) 297
    Denver
    New Cingular Wireless Pcs, Llc
    Mobile
  • (720) 298
    Denver
    New Cingular Wireless Pcs, Llc
    Mobile
  • (720) 299
    Denver
    T-mobile Usa, Inc.
    Mobile
  • (720) 300
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 301
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 302
    Aurora
    Teleport Communications America, Llc - Co
    Landline
  • (720) 304
    Boulder
    Qwest Corporation
    Landline
  • (720) 305
    Denver
    Level 3 Telecom Of Colorado, Llc - Co
    Landline
  • (720) 306
    Englewood
    Eschelon Telecom Of Colorado, Inc. - Co
    Landline
  • (720) 307
    Denver
    At&t Local
    Landline
  • (720) 308
    Denver
    New Cingular Wireless Pcs, Llc
    Mobile
  • (720) 309
    Denver
    New Cingular Wireless Pcs, Llc
    Mobile
  • (720) 310
    Aurora
    Teleport Communications America, Llc - Co
    Landline
  • (720) 312
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 313
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 314
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 315
    Englewood
    Onvoy, Llc - Co
    Landline
  • (720) 316
    Denver
    Bandwidth.com Clec, Llc - Co
    Landline
  • (720) 317
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 318
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 319
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 320
    Denver
    New Cingular Wireless Pcs, Llc
    Mobile
  • (720) 321
    Denver
    Qwest Corporation
    Landline
  • (720) 322
    Commerce City
    Qwest Corporation
    Landline
  • (720) 323
    Denver
    T-mobile Usa, Inc.
    Mobile
  • (720) 324
    Denver
    Comcast Phone Of Colorado, Llc - Co
    Landline
  • (720) 325
    Denver
    T-mobile Usa, Inc.
    Mobile
  • (720) 326
    Denver
    New Cingular Wireless Pcs, Llc
    Mobile
  • (720) 327
    Denver
    New Cingular Wireless Pcs, Llc
    Mobile
  • (720) 328
    Denver
    Comcast Phone Of Colorado, Llc - Co
    Landline
  • (720) 329
    Denver
    New Cingular Wireless Pcs, Llc
    Mobile
  • (720) 330
    Denver
    Icg Telecom Group - Co
    Landline
  • (720) 331
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 332
    Denver
    Mcimetro Access Transmission Services Llc
    Landline
  • (720) 333
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 334
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 335
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 336
    Denver
    Bandwidth.com Clec, Llc - Co
    Landline
  • (720) 337
    Denver
    Qwest Corporation
    Landline
  • (720) 338
    Denver
    New Cingular Wireless Pcs, Llc
    Mobile
  • (720) 339
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 340
    Denver
    Cellco Partnership Dba Verizon Wireless - Co
    Mobile
  • (720) 341
    Denver
    T-mobile Usa, Inc.
    Mobile
  • (720) 343
    Denver
    Level 3 Communications, Llc - Co
    Landline
  • (720) 344
    Littleton
    Qwest Corporation
    Landline
  • (720) 345
    Denver
    Zippytech Incorporated
    Landline
  • (720) 346
    Westminster
    Cellco Partnership Dba Verizon Wireless - Co
    Mobile
  • (720) 347
    Denver
    Level 3 Telecom Of Colorado, Llc - Co
    Landline
  • (720) 348
    Littleton
    Qwest Corporation
    Landline
  • (720) 350
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 351
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 352
    Denver
    T-mobile Usa, Inc.
    Mobile
  • (720) 353
    Englewood
    Sprint Spectrum L.p.
    Mobile
  • (720) 354
    Englewood
    Level 3 Telecom Of Colorado, Llc - Co
    Landline
  • (720) 355
    Englewood
    Cellco Partnership Dba Verizon Wireless - Co
    Mobile
  • (720) 356
    Denver
    At&t Local
    Landline
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