SUBJECT: NXX REPORT FOR March 25, 2010

THIS REPORT WILL NO LONGER BE AVAILABLE SOON!!!!!!!!!!!!!!!!!!

This report is provided as a customer convenience only and should not be considered official notification.

Complete NXX inventory and assignment/activity/information can be obtained from these websites.

http://www.nanpa.com

http://www.trainfo.com/products_service/tra/index/html

NXX ASSIGNMENT/REASSIGNMENT ACTIVITY REPORT

03-01-10 TO 03-25-10 QWEST CORPORATION

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1. NXX CITY/WIRE CTR CLLI RATE CENTER

2. LATA NTNWD EFF DATE REMARKS

3. NEW OR EXISTING REMARKS

4. NEW ENTITY INFORMATION OR EXISTING ENTITY NXX CODES

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****ARIZONA - 480 NPA****

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****ARIZONA - 520 NPA****

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****ARIZONA - 602 NPA****

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****ARIZONA - 623 NPA****

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****ARIZONA - 928 NPA****

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****COLORADO - 303 NPA****

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****COLORADO - 719 NPA****

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****COLORADO - 720 NPA****

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****COLORADO - 970 NPA****

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****IDAHO - 208 NPA****

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****IOWA - 319 NPA****

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****IOWA - 515 NPA****

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****IOWA - 563 NPA****

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****IOWA - 641 NPA****

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****IOWA - 712 NPA****

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****MINNESOTA - 218 NPA****

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****MINNESOTA - 320 NPA****

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****MINNESOTA - 507 NPA****

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****MINNESOTA - 612 NPA****

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****MINNESOTA - 651 NPA****

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****MINNESOTA - 763 NPA****

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****MINNESOTA - 952 NPA****

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****MONTANA - 406 NPA****

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****NEBRASKA - 308 NPA****

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****NEBRASKA - 402 NPA****

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****NEW MEXICO - 505 NPA****

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****NEW MEXICO - 575 NPA****

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****NORTH DAKOTA - 701 NPA****

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****OREGON - 458 NPA****

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****OREGON - 503 NPA****

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****OREGON - 541 NPA****

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****OREGON - 971 NPA****

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****SOUTH DAKOTA - 605 NPA****

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****UTAH - 385 NPA****

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****UTAH - 435 NPA****

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****UTAH - 801 NPA****

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****WASHINGTON - 206 NPA****

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****WASHINGTON - 253 NPA****

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****WASHINGTON - 360 NPA****

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****WASHINGTON - 425 NPA****

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****WASHINGTON - 509 NPA****

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****WASHINGTON - 564 NPA****

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****WYOMING - 307 NPA****

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