The statistic depicts the mobile to mobile telephone numbers remaining in the porting database from 2003 to 2009 in the United States. In the fourth quarter of 2008, there were 35.9 million telephone numbers in the U.S. porting database.
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Federal Communications Commission. (September 30, 2010). Number of mobile to mobile telephone numbers in the porting database from 2003 to 2009 in the United States (in 1,000) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 03, 2026, from /statistics/188511/mobile-to-mobile-telephone-numbers-in-us-porting-database-since-2003/
Federal Communications Commission. "Number of mobile to mobile telephone numbers in the porting database from 2003 to 2009 in the United States (in 1,000)." Chart. September 30, 2010. ÌÇÐÄÆƽâ°æ. Accessed August 03, 2026. /statistics/188511/mobile-to-mobile-telephone-numbers-in-us-porting-database-since-2003/
Federal Communications Commission. (2010). Number of mobile to mobile telephone numbers in the porting database from 2003 to 2009 in the United States (in 1,000). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 03, 2026. /statistics/188511/mobile-to-mobile-telephone-numbers-in-us-porting-database-since-2003/
Federal Communications Commission. "Number of Mobile to Mobile Telephone Numbers in The Porting Database from 2003 to 2009 in The United States (in 1,000)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 30 Sep 2010, /statistics/188511/mobile-to-mobile-telephone-numbers-in-us-porting-database-since-2003/
Federal Communications Commission, Number of mobile to mobile telephone numbers in the porting database from 2003 to 2009 in the United States (in 1,000) ÌÇÐÄÆƽâ°æ, /statistics/188511/mobile-to-mobile-telephone-numbers-in-us-porting-database-since-2003/ (last visited August 03, 2026)
Number of mobile to mobile telephone numbers in the porting database from 2003 to 2009 in the United States (in 1,000) [Graph], Federal Communications Commission, September 30, 2010. [Online]. Available: /statistics/188511/mobile-to-mobile-telephone-numbers-in-us-porting-database-since-2003/
