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1. ATIS 0300052(2023-09)

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   September 2023
   Non-Geographic 5XX-NXX Code Assignment Guideliness

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2. ATIS 0300052(2023-04)

   April 2023
   Non-Geographic 5XX-NXX Code Assignment Guideliness

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3. ATIS 0300052(2023-03)

   March 2023
   Non-Geographic 5XX-NXX Code Assignment Guideliness

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4. ATIS 0300052(2020-03)

   March 2020
   Non-Geographic 5XX-NXX Code Assignment Guideliness

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5. ATIS 0300052(2018-10)

   October 2018
   Non-Geographic 5XX-NXX Code Assignment Guidelines

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6. ATIS 0300052

   August 2018
   Non-Geographic 5XX-NXX Code Assignment Guidelines

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7. ATIS 0300052

   February 2016
   Personal Communications Services (PCS) 5YY NXX Code Assignment guidelines

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8. ATIS 0300052

   October 2014
   Personal Communications Services (PCS) 5YY NXX Code Assignment guidelines

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9. ATIS 0300052

   January 2013
   Personal Communications Services (PCS) 5YY NXX Code Assignment guidelines

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10. ATIS 0300052

    September 2011
    Personal Communications Services (PCS) 5YY NXX Code Assignment guidelines

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11. ATIS 0300052

    November 2010
    Personal Communications Services (PCS) 5YY NXX Code Assignment guidelines

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12. ATIS 0300052

    July 2010
    Personal Communications Services (PCS) 5YY NXX Code Assignment guidelines

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13. ATIS 0300052

    September 2009
    Personal Communications Services (PCS) 5YY NXX Code Assignment guidelines

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14. ATIS 0300052

    June 2008
    Personal Communications Services (PCS) 5YY NXX Code Assignment guidelines

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