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Caldwell, NJ Area Codes

Caldwell, New Jersey (population 9,375) uses area codes 973 and 862.

Area code973
Area code862
Time zoneEastern
Local time now…
CaldwellNewarkPatersonCliftonEast OrangePassaicGarfieldHarrisonParsippanyMorristownHawthorneDoverPreaknessCaldwell
Caldwell and nearby cities in area code 973

Carriers with Caldwell numbers

55 prefixes are assigned to the Caldwell exchange: 45% mobile, 22% VoIP and cable, 33% landline.

CarrierPrefixes
T-Mobile14
Verizon13
Verizon Wireless11
Lumen (Level 3)3
Verizon Business (MCImetro)3
Cablevision Lightpath2
At&T - Local1
AT&T (Teleport)1

Area codes used in Caldwell

Area codePrefixes serving CaldwellMain carriers in this code
97342Verizon, Lumen (Level 3), Verizon Business (MCImetro)
86213T-Mobile, Onvoy (Sinch), AT&T Mobility

Caldwell phone number prefixes

Numbers starting with these first six digits were originally assigned to the Caldwell exchange.

Nearby cities in area code 973

Questions

What is the area code for Caldwell, NJ?
Caldwell uses 2 area codes: 973 and 862. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
What time zone is Caldwell in?
Caldwell is in the Eastern time zone.