Area code 951 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Area code 951" in English language version.

refsWebsite

Global rank English rank

3nationalnanpa.com

2,470^th place

1,321^st place

6^th place

6^th place

archive.org

Mabbs, Ralph (Winter 1947–1948). "Nation-Wide Operator Toll Dialing—the Coming Way". Bell Telephone Magazine. 26 (4): 181. Retrieved 2023-07-01.

nationalnanpa.com

"NANP-Split of 714 (California) Numbering Plan Area" (PDF). NANPA. 1992-02-18. Retrieved 2023-07-29.
"909 NPA; 2-way Split, Creating 951 NPA – California" (PDF). NANPA. 2003-12-12. Retrieved 2023-07-29.
"Transition to 10-digit dialing (for 988 as 3-digit access to National Suicide Prevention Hotline)" (PDF). North American Numbering Plan Administrator. January 8, 2021. Retrieved March 9, 2021.