Madrid, Spain's capital city, was the province that featured the highest amount of landline telephone numbers in the Mediterranean country in 2020, with figures reaching nearly * landline numbers. Spain's second largest city, Barcelona, ranked second on the list, with the amount of landline numbers totaling approximately * that year.
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Comisión Nacional de los Mercados y la Competencia. (October 14, 2021). Spanish provinces with the highest number of landline telephone numbers in use in 2020 (in 1,000s) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 28, 2026, from /statistics/1027420/landline-telephone-numbers-by-spanish-province/
Comisión Nacional de los Mercados y la Competencia. "Spanish provinces with the highest number of landline telephone numbers in use in 2020 (in 1,000s)." Chart. October 14, 2021. ÌÇÐÄÆƽâ°æ. Accessed July 28, 2026. /statistics/1027420/landline-telephone-numbers-by-spanish-province/
Comisión Nacional de los Mercados y la Competencia. (2021). Spanish provinces with the highest number of landline telephone numbers in use in 2020 (in 1,000s). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 28, 2026. /statistics/1027420/landline-telephone-numbers-by-spanish-province/
Comisión Nacional de los Mercados y la Competencia. "Spanish Provinces with The Highest Number of Landline Telephone Numbers in Use in 2020 (in 1,000s)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 14 Oct 2021, /statistics/1027420/landline-telephone-numbers-by-spanish-province/
Comisión Nacional de los Mercados y la Competencia, Spanish provinces with the highest number of landline telephone numbers in use in 2020 (in 1,000s) ÌÇÐÄÆƽâ°æ, /statistics/1027420/landline-telephone-numbers-by-spanish-province/ (last visited July 28, 2026)
Spanish provinces with the highest number of landline telephone numbers in use in 2020 (in 1,000s) [Graph], Comisión Nacional de los Mercados y la Competencia, October 14, 2021. [Online]. Available: /statistics/1027420/landline-telephone-numbers-by-spanish-province/
