Area code 660 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Area code 660" in English language version.

refsWebsite

Global rank English rank

4nationalnanpa.com

2,470^th place

1,321^st place

2web.archive.org

1^st place

1^st place

1areacode-info.com

low place

low place

areacode-info.com

"Commission approves technical committee recommendation on permissive dialing period for new area code". Archived from the original on 2003-02-19.

nationalnanpa.com

"Planning Letter 51: Declaration of Jeopardy Situation in NPA 816 (Missouri)" (PDF). 1997-04-10.
"Planning Letter 77: NANP-Split of 816 (Missouri) Numbering Plan Area" (PDF). Bellcore. 1997-07-28. Retrieved 2022-12-05.
"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.
"2022-2 NRUF and NPA Exhaust Analysis" (PDF). 2022-09-01. Retrieved 2022-12-05.

web.archive.org

PSC to hold local public hearings in 816 area code issue
"Commission approves technical committee recommendation on permissive dialing period for new area code". Archived from the original on 2003-02-19.