Central Office Exchange (NXX)
+1 (412) 668-XXXX
Serving Pittsburgh, Pennsylvania, Unites States • Carrier: Comcast Phone Of Pennsylvania
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Sample Active Numbers in this Prefix
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Telecommunication Guide for Exchange 412-668
Under the North American Numbering Plan (NANP), a standard 10-digit telephone number is organized as NPA-NXX-XXXX:
- NPA (Numbering Plan Area):
412identifies the geographic region within Pennsylvania. - NXX (Central Office Exchange):
668identifies the local telephone exchange or switching office serving Pittsburgh, Pennsylvania. - 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 (412) 668-XXXX |
| Mobile / Wireless Devices | Dial with international plus symbol | +1 412 668 XXXX |
| International Callers | Local exit code + 1 + Number | 00 1 412 668 XXXX |
Frequently Asked Questions
The registered service provider for this exchange is Comcast Phone Of Pennsylvania. 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: Pennsylvania
- City / Area: Pittsburgh
- Area Code: 412
- Prefix (NXX): 668
- Carrier: Comcast Phone Of Pennsylvania
- Type: Landline
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Area Code 412
Explore other central office exchanges and municipalities covered by area code 412.
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