Area code 441 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Area code 441" in English language version.

refsWebsite

Global rank English rank

2books.google.com

3^rd place

3^rd place

1areacodehelp.com

low place

low place

1nationalnanpa.com

2,470^th place

1,321^st place

areacodehelp.com (Global: low place; English: low place)

"Area code 809 (2/Jan)". Retrieved 2 January 2014.

books.google.com (Global: 3^rd place; English: 3^rd place)

Toll-free Phone Book USA: A Directory of Toll-free Telephone Numbers for Business and Organizations Nationwide, Kay Gill, Omnigraphics, 1997, page ix
Maritime Guide, The Register, 2001, page 68

nationalnanpa.com (Global: 2,470^th place; English: 1,321^st place)

"Bellcore Information Letter IL-94/11-016: NANP-Introduction of new 441 (Bermuda) Numbering Plan Area (NPA)" (PDF). Bellcore (NANPA). 16 November 1994. Retrieved 7 March 2023.