Netherlands
☎️ Landline / Geographic
Area Code 23 – Haarlem
The phone area code for Haarlem is 23 (international format +3123). Browse local exchange codes (NXX) and carrier assignments below.
Current Local Time
04:50:12
UTC • UTC +00:00
Full Dialing Format
+3123
Population
162,543
👥
Admin Region
North Holland
🗺️
Elevation
10m
🏔️
GPS Coordinates
52.3808, 4.6368
📍
📞 Exchange Codes (NXX) for Area Code 23
Select a central office code to view local carrier data and detailed information
(23)
960
(23)
961
(23)
962
(23)
963
(23)
964
(23)
965
(23)
966
(23)
967
(23)
968
(23)
969
(23)
970
(23)
971
(23)
972
(23)
973
(23)
974
(23)
975
(23)
976
(23)
977
(23)
978
(23)
979
(23)
980
(23)
981
(23)
982
(23)
983
(23)
984
(23)
985
(23)
986
(23)
987
(23)
988
(23)
989
(23)
990
(23)
991
(23)
992
(23)
993
(23)
994
(23)
995
(23)
996
(23)
997
(23)
998
(23)
999