Central Office Exchange (NXX)

+1 (743) 381-XXXX

Serving Greensboro, North Carolina, United States

Look Up Specific Number

Jump to Any Number in this Exchange

Looking for a specific 4-digit line in the +1 (743) 381 block? Enter the last 4 digits below to inspect caller data and spam reports immediately:

+1 (743) 381 -

Sample Active Numbers in this Prefix

Random representative sampling of telephone lines in the 1-743-381 block

743-381 0219
743-381 0345
743-381 0378
743-381 1062
743-381 1153
743-381 1187
743-381 1515
743-381 1675
743-381 2129
743-381 2232
743-381 2403
743-381 2548
743-381 2988
743-381 3420
743-381 3914
743-381 3942
743-381 4134
743-381 4182
743-381 5184
743-381 5208
743-381 5300
743-381 5703
743-381 5910
743-381 5990
743-381 6079
743-381 6924
743-381 6956
743-381 7117
743-381 7293
743-381 7540
743-381 7548
743-381 7874
743-381 8081
743-381 8137
743-381 8164
743-381 9530
743-381 9577
743-381 9646
743-381 9673
743-381 9727

Clicking any phone number displays its verified telecommunication profile, caller identification details, and community spam reviews.

SPONSORED

Telecommunication Guide for Exchange 743-381

Under the North American Numbering Plan (NANP), a standard 10-digit telephone number is organized as NPA-NXX-XXXX:

  • NPA (Numbering Plan Area): 743 identifies the geographic region within North Carolina.
  • NXX (Central Office Exchange): 381 identifies the local telephone exchange or switching office serving Greensboro, North Carolina.
  • XXXX (Subscriber Line Number): 10,000 distinct telephone lines (ranging from 0000 to 9999) are routed through this exchange.
How to Correctly Dial Numbers in this Prefix:
Call Origin Dialing Instructions Example
Local or Domestic (US/Canada) Dial 1 + 10-Digit Number 1 (743) 381-XXXX
Mobile / Wireless Devices Dial with international plus symbol +1 743 381 XXXX
International Callers Local exit code + 1 + Number 00 1 743 381 XXXX

Frequently Asked Questions

This exchange is assigned to the regional carrier serving Greensboro, North Carolina. Specific lines can be ported between wireless and wireline providers.
Calls from this prefix could originate from local businesses, hospitals, friends, or automated dialers. If you received an unsolicited call from an unknown party in this exchange, enter the full 4 digits in our search box above to check for community scam or telemarketer reports.

Exchange Information

  • Country: Unites States (+1)
  • State: North Carolina
  • City / Area: Greensboro
  • Area Code: 743
  • Prefix (NXX): 381
SPONSORED
Area Code 743

Explore other central office exchanges and municipalities covered by area code 743.

View All 743 Prefixes