Home / Area 423 / Prefix 721

(423) 721 Phone Number Directory

Browse phone numbers under this exchange in Knoxville, Tennessee. See carrier details, recent activity, and community feedback.

Enter last 4 digit numbers ex:423-721-XXXX

City: Knoxville
County: Knox
Carrier: United States Cellular Corp. - Tennessee
Line Type: Wireless

Phone Numbers in This Prefix

These listings represent sample numbers in this exchange. Click any number to view detailed reports and community feedback. Showing 1–18 of 247 listings for this prefix.

Frequently searched Wireless

(423) 721-3235

Knoxville, Tennessee

  • Carrier: United States Cellular Corp. - Tennessee
  • Exchange: 423-721
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Frequently searched Wireless

(423) 721-3255

Knoxville, Tennessee

  • Carrier: United States Cellular Corp. - Tennessee
  • Exchange: 423-721
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Frequently searched Wireless

(423) 721-3275

Knoxville, Tennessee

  • Carrier: United States Cellular Corp. - Tennessee
  • Exchange: 423-721
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Frequently searched Wireless

(423) 721-3295

Knoxville, Tennessee

  • Carrier: United States Cellular Corp. - Tennessee
  • Exchange: 423-721
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Frequently searched Wireless

(423) 721-3315

Knoxville, Tennessee

  • Carrier: United States Cellular Corp. - Tennessee
  • Exchange: 423-721
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Frequently searched Wireless

(423) 721-3335

Knoxville, Tennessee

  • Carrier: United States Cellular Corp. - Tennessee
  • Exchange: 423-721
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Frequently searched Wireless

(423) 721-3355

Knoxville, Tennessee

  • Carrier: United States Cellular Corp. - Tennessee
  • Exchange: 423-721
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Frequently searched Wireless

(423) 721-3375

Knoxville, Tennessee

  • Carrier: United States Cellular Corp. - Tennessee
  • Exchange: 423-721
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Frequently searched Wireless

(423) 721-3395

Knoxville, Tennessee

  • Carrier: United States Cellular Corp. - Tennessee
  • Exchange: 423-721
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Frequently searched Wireless

(423) 721-3415

Knoxville, Tennessee

  • Carrier: United States Cellular Corp. - Tennessee
  • Exchange: 423-721
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Frequently searched Wireless

(423) 721-3435

Knoxville, Tennessee

  • Carrier: United States Cellular Corp. - Tennessee
  • Exchange: 423-721
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Frequently searched Wireless

(423) 721-3455

Knoxville, Tennessee

  • Carrier: United States Cellular Corp. - Tennessee
  • Exchange: 423-721
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Frequently searched Wireless

(423) 721-3475

Knoxville, Tennessee

  • Carrier: United States Cellular Corp. - Tennessee
  • Exchange: 423-721
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Frequently searched Wireless

(423) 721-3495

Knoxville, Tennessee

  • Carrier: United States Cellular Corp. - Tennessee
  • Exchange: 423-721
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Frequently searched Wireless

(423) 721-3515

Knoxville, Tennessee

  • Carrier: United States Cellular Corp. - Tennessee
  • Exchange: 423-721
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Frequently searched Wireless

(423) 721-3535

Knoxville, Tennessee

  • Carrier: United States Cellular Corp. - Tennessee
  • Exchange: 423-721
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Frequently searched Wireless

(423) 721-3555

Knoxville, Tennessee

  • Carrier: United States Cellular Corp. - Tennessee
  • Exchange: 423-721
View listing
Frequently searched Wireless

(423) 721-3575

Knoxville, Tennessee

  • Carrier: United States Cellular Corp. - Tennessee
  • Exchange: 423-721
View listing