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(240) 378 Phone Number Directory

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

Enter last 4 digit numbers ex:240-378-XXXX

City: Frederick
County: Frederick
Carrier: Core Communications Inc. - Md
Line Type: Landline

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 141 listings for this prefix.

Recent activity Landline

(240) 378-7301

Frederick, Maryland

  • Carrier: Core Communications Inc. - Md
  • Exchange: 240-378
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Recent activity Landline

(240) 378-7321

Frederick, Maryland

  • Carrier: Core Communications Inc. - Md
  • Exchange: 240-378
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Recent activity Landline

(240) 378-7341

Frederick, Maryland

  • Carrier: Core Communications Inc. - Md
  • Exchange: 240-378
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Recent activity Landline

(240) 378-7361

Frederick, Maryland

  • Carrier: Core Communications Inc. - Md
  • Exchange: 240-378
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Recent activity Landline

(240) 378-7381

Frederick, Maryland

  • Carrier: Core Communications Inc. - Md
  • Exchange: 240-378
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Recent activity Landline

(240) 378-7401

Frederick, Maryland

  • Carrier: Core Communications Inc. - Md
  • Exchange: 240-378
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Recent activity Landline

(240) 378-7421

Frederick, Maryland

  • Carrier: Core Communications Inc. - Md
  • Exchange: 240-378
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Recent activity Landline

(240) 378-7441

Frederick, Maryland

  • Carrier: Core Communications Inc. - Md
  • Exchange: 240-378
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Recent activity Landline

(240) 378-7461

Frederick, Maryland

  • Carrier: Core Communications Inc. - Md
  • Exchange: 240-378
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Recent activity Landline

(240) 378-7481

Frederick, Maryland

  • Carrier: Core Communications Inc. - Md
  • Exchange: 240-378
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Recent activity Landline

(240) 378-7501

Frederick, Maryland

  • Carrier: Core Communications Inc. - Md
  • Exchange: 240-378
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Recent activity Landline

(240) 378-7521

Frederick, Maryland

  • Carrier: Core Communications Inc. - Md
  • Exchange: 240-378
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Recent activity Landline

(240) 378-7541

Frederick, Maryland

  • Carrier: Core Communications Inc. - Md
  • Exchange: 240-378
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Recent activity Landline

(240) 378-7561

Frederick, Maryland

  • Carrier: Core Communications Inc. - Md
  • Exchange: 240-378
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Recent activity Landline

(240) 378-7581

Frederick, Maryland

  • Carrier: Core Communications Inc. - Md
  • Exchange: 240-378
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Recent activity Landline

(240) 378-7601

Frederick, Maryland

  • Carrier: Core Communications Inc. - Md
  • Exchange: 240-378
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Recent activity Landline

(240) 378-7621

Frederick, Maryland

  • Carrier: Core Communications Inc. - Md
  • Exchange: 240-378
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Recent activity Landline

(240) 378-7641

Frederick, Maryland

  • Carrier: Core Communications Inc. - Md
  • Exchange: 240-378
View listing