Local Calling Guide

Area code/prefix search

Search by area code/prefix (NPA/NXX) or OCN

  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Last updated: Tue, 09 Sep 2014 10:41:45 UTC

How to use this page

Switch: PTSKMIMNDS0

Remotes:
Switch Switch name Switch type
CHBYMIMNRSA CHEBOYGAN 5BR
CHBYMISORSA CHEBOYGAN 5ER
EJRDMIMNRSA EAST JORDAN 5ER
HRSPMIMNRSA HARBOR SPRINGS 5BR
INRVMIMNRSA INDIAN RIVER 5ER
MCCYMIMNRSA MACKINAW CITY 5ER
PLSTMIMNRSA PELLSTON 5ER
WLVRMIMNRSA WOLVERINE 5ER

See all switches at this location

NPA-NXX BLOCK Rate Centre Region OCN LATA Eff date Disc date Map
231-347 A Petoskey MI 9323 AMERITECH MICHIGAN [link] 348 map
231-348 A Petoskey MI 9323 AMERITECH MICHIGAN [link] 348 map
231-439 A Petoskey MI 9323 AMERITECH MICHIGAN [link] 348 map
231-487 A Petoskey MI 9323 AMERITECH MICHIGAN [link] 348 map



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