Central Office Exchange (NXX)
+1 (213) 455-XXXX
Serving Los-Angeles, California, United States • Carrier: Global Crossing Local Services-ca
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Sample Active Numbers in this Prefix
Random representative sampling of telephone lines in the 1-213-455 block
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Telecommunication Guide for Exchange 213-455
Under the North American Numbering Plan (NANP), a standard 10-digit telephone number is organized as NPA-NXX-XXXX:
- NPA (Numbering Plan Area):
213identifies the geographic region within California. - NXX (Central Office Exchange):
455identifies the local telephone exchange or switching office serving Los-Angeles, California. - 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 (213) 455-XXXX |
| Mobile / Wireless Devices | Dial with international plus symbol | +1 213 455 XXXX |
| International Callers | Local exit code + 1 + Number | 00 1 213 455 XXXX |
Frequently Asked Questions
The registered service provider for this exchange is Global Crossing Local Services-ca. 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: Los-Angeles
- Area Code: 213
- Prefix (NXX): 455
- Carrier: Global Crossing Local Services-ca
- Type: Landline
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Area Code 213
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