Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • 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.


NPA-NXX BLOCK Rate Centre Region Switch LATA Eff date Disc date Map
701-254 A Linton ND LNTNNDXARS2  638     map
701-273 A Pettibone ND RBSNNDXARS3  638     map
701-286 A Regan ND MNKNNDABRS0  638     map
701-327 A Tappen ND STELNDXA1MD  638     map
701-332 A Kintyre ND WSHKNDXARS1  638     map
701-336 A Strasburg ND LNTNNDXARS2  638     map
701-378 A Lehr ND WSHKNDXARS1  638     map
701-387 A Sterling ND MNKNNDABRS0  638     map
701-392 A Robinson ND RBSNNDXARS3  638     map
701-423 A Zeeland ND WSHKNDXARS1  638     map
701-452 A Wishek ND WSHKNDXARS1  638     map
701-475 A Steele ND STELNDXA1MD  638     map
701-673 A McKenzie ND MNKNNDABRS0  638     map
701-734 A Wilton ND MNKNNDABRS0  638     map
701-754 A Napoleon ND WSHKNDXARS1  638     map
701-782 A Hazelton ND LNTNNDXARS2  638     map
701-867 A Tuttle ND MNKNNDABRS0  638     map
701-943 A Wing ND MNKNNDABRS0  638     map

Last updated: Sat, 09 Jun 2018 13:21:19 UTC

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