Central Office Exchange (NXX)
+1 (608) 252-XXXX
Serving Madison, Wisconsin, United States • Carrier: Ameritech Wisconsin
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Telecommunication Guide for Exchange 608-252
Under the North American Numbering Plan (NANP), a standard 10-digit telephone number is organized as NPA-NXX-XXXX:
- NPA (Numbering Plan Area):
608identifies the geographic region within Wisconsin. - NXX (Central Office Exchange):
252identifies the local telephone exchange or switching office serving Madison, Wisconsin. - 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 (608) 252-XXXX |
| Mobile / Wireless Devices | Dial with international plus symbol | +1 608 252 XXXX |
| International Callers | Local exit code + 1 + Number | 00 1 608 252 XXXX |
Frequently Asked Questions
The registered service provider for this exchange is Ameritech Wisconsin. 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: Wisconsin
- City / Area: Madison
- Area Code: 608
- Prefix (NXX): 252
- Carrier: Ameritech Wisconsin
- Type: Landline
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Area Code 608
Explore other central office exchanges and municipalities covered by area code 608.
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