Central Office Exchange (NXX)
+1 (972) 586-XXXX
Serving Dallas, Texas, United States • Carrier: Gte-sw DBA Verizon Sw Inc.-tx
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Random representative sampling of telephone lines in the 1-972-586 block
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Telecommunication Guide for Exchange 972-586
Under the North American Numbering Plan (NANP), a standard 10-digit telephone number is organized as NPA-NXX-XXXX:
- NPA (Numbering Plan Area):
972identifies the geographic region within Texas. - NXX (Central Office Exchange):
586identifies the local telephone exchange or switching office serving Dallas, Texas. - XXXX (Subscriber Line Number): 10,000 distinct telephone lines (ranging from
0000to9999) 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 (972) 586-XXXX |
| Mobile / Wireless Devices | Dial with international plus symbol | +1 972 586 XXXX |
| International Callers | Local exit code + 1 + Number | 00 1 972 586 XXXX |
Frequently Asked Questions
The registered service provider for this exchange is Gte-sw DBA Verizon Sw Inc.-tx. Note that individual line numbers may have been transferred to other providers via Local Number Portability (LNP).
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: Texas
- City / Area: Dallas
- Area Code: 972
- Prefix (NXX): 586
- Carrier: Gte-sw DBA Verizon Sw Inc.-tx
- Type: Landline
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Area Code 972
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