Central Office Exchange (NXX)
+1 (781) 713-XXXX
Serving Boston, Massachusetts, United States • Carrier: Level 3 Communications
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Telecommunication Guide for Exchange 781-713
Under the North American Numbering Plan (NANP), a standard 10-digit telephone number is organized as NPA-NXX-XXXX:
- NPA (Numbering Plan Area):
781identifies the geographic region within Massachusetts. - NXX (Central Office Exchange):
713identifies the local telephone exchange or switching office serving Boston, Massachusetts. - 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 (781) 713-XXXX |
| Mobile / Wireless Devices | Dial with international plus symbol | +1 781 713 XXXX |
| International Callers | Local exit code + 1 + Number | 00 1 781 713 XXXX |
Frequently Asked Questions
The registered service provider for this exchange is Level 3 Communications. 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: Massachusetts
- City / Area: Boston
- Area Code: 781
- Prefix (NXX): 713
- Carrier: Level 3 Communications
- Type: Landline
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Area Code 781
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