Area code 983

983 is a newer area code, in service since June 17, 2022, added on top of 303 and 720. See all new area codes.

Look up a 983 number

Cities and towns in area code 983

Listed by how many phone prefixes (the 3 digits after the area code) are assigned to each place in 983.

• Denver, CO (33)
• Longmont, CO (7)
• Fort Lupton, CO (3)
• Strasburg, CO (2)
• Deckers, CO (1)
• Keenesburg, CO (1)
• Roggen, CO (1)

Phone companies in area code 983

The carriers that hold the most 983 prefixes. People can move their number to another carrier, so this shows who first issued a number, not who serves it today.

All 48 prefixes in area code 983

Pick the 3 digits after the area code to see that prefix’s city and carrier.

• 200
• 201
• 202
• 203
• 204
• 205
• 206
• 207
• 208
• 209
• 210
• 212
• 213
• 214
• 215
• 216
• 217
• 218
• 219
• 220
• 221
• 222
• 223
• 224
• 225
• 226
• 227
• 228
• 229
• 230
• 231
• 232
• 233
• 277
• 333
• 444
• 456
• 500
• 587
• 666
• 777
• 800
• 880
• 888
• 900
• 955
• 983
• 999

Area codes that overlay 983

• 303
• 720

Questions

Where is area code 983?

Area code 983 is in Colorado. It serves Denver, Longmont, Fort Lupton, Strasburg and Deckers and 2 other cities and towns.

What time zone is area code 983 in?

Area code 983 uses Mountain Time.

What area codes overlay 983?

303 and 720 serve the same area as 983. New numbers in the area can get any of these codes, which is why local calls need all 10 digits.

Is a call from area code 983 a scam?

The area code alone doesn’t tell you. Most calls from 983 are ordinary local calls, but scammers can fake (“spoof”) any number. If you don’t recognize a 983 number, let it go to voicemail.

When did area code 983 start?

983 went into service in 2022. It was created from area code 303.

Can a 983 number be outside Colorado?

Yes. People keep their numbers when they move and when they switch to mobile or internet phone services, so a 983 caller can be anywhere.

Other area codes in Colorado