Central Office Exchange (NXX)

+1 (510) 547-XXXX

Serving Oakland, California, United States • Carrier: Pacific Bell

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Looking for a specific 4-digit line in the +1 (510) 547 block? Enter the last 4 digits below to inspect caller data and spam reports immediately:

+1 (510) 547 -

Sample Active Numbers in this Prefix

Random representative sampling of telephone lines in the 1-510-547 block

510-547 0063
510-547 0218
510-547 0371
510-547 1360
510-547 1405
510-547 1645
510-547 1710
510-547 1775
510-547 2407
510-547 2616
510-547 2960
510-547 3149
510-547 3151
510-547 3366
510-547 3610
510-547 4476
510-547 4714
510-547 4934
510-547 5093
510-547 5096
510-547 5388
510-547 5887
510-547 5976
510-547 6818
510-547 6934
510-547 6938
510-547 7025
510-547 7401
510-547 7611
510-547 7911
510-547 7998
510-547 8503
510-547 8581
510-547 8952
510-547 9145
510-547 9593
510-547 9615
510-547 9736
510-547 9817

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Telecommunication Guide for Exchange 510-547

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

  • NPA (Numbering Plan Area): 510 identifies the geographic region within California.
  • NXX (Central Office Exchange): 547 identifies the local telephone exchange or switching office serving Oakland, California.
  • 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 (510) 547-XXXX
Mobile / Wireless Devices Dial with international plus symbol +1 510 547 XXXX
International Callers Local exit code + 1 + Number 00 1 510 547 XXXX

Frequently Asked Questions

The registered service provider for this exchange is Pacific Bell. 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: California
  • City / Area: Oakland
  • Area Code: 510
  • Prefix (NXX): 547
  • Carrier: Pacific Bell
  • Type: Landline
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Area Code 510

Explore other central office exchanges and municipalities covered by area code 510.

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