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Country Code Decoder

NPAs in service from 09 May 2021

NPACountryTime Difference (From GMT)StateState Abbrv.Service DateComments
227USA-5MarylandMD Proposed
283USA-5OhioOH Suspended
447USA-6IllinoisIL Proposed
464USA-6IllinoisIL Proposed
557USA-5MissouriMO Suspended
659USA-6AlabamaAL Proposed
679USA-5MichiganMI Proposed
689USA-5 to -6FloridaFL Suspended
730USA-6IllinoisIL Proposed

See World Zone 1 for explanation of "NPA"

Where shown:

Time Diff. is with respect to GMT (UCT)
indicate the code is not in use: the "Service Date" has been delayed or not set
Service Date is the date code becomes (or became) effective. If no date is shown, the code was introduced before 1995

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Database Updated: 22 Sep 2017

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