Area code 730

730 is a newer area code, in service since July 7, 2023, added on top of 618. See all new area codes.

Look up a 730 number

Cities and towns in area code 730

Listed by how many phone prefixes (the 3 digits after the area code) are assigned to each place in 730.

• Centralia, IL (15)
• Herrin, IL (13)
• Belleville, IL (12)
• Olney, IL (12)
• Carbondale, IL (9)
• Collinsville, IL (5)
• Cairo, IL (3)
• Granite City, IL (3)
• Alton, IL (2)
• East St. Louis, IL (2)
• Anna, IL (1)
• Bellmont, IL (1)
• Benton, IL (1)
• Birds, IL (1)
• Bluford, IL (1)
• Brookport, IL (1)
• Brussels, IL (1)
• Carlyle, IL (1)
• Chesterbdg, IL (1)
• Christopher, IL (1)
• Cobden, IL (1)
• Columbia, IL (1)
• Creal Spg, IL (1)
• Cypress, IL (1)
• De Soto, IL (1)
• Dix, IL (1)
• Dongola, IL (1)
• Goreville, IL (1)
• Hamel, IL (1)
• Ina, IL (1)
• Iuka, IL (1)
• Joppa, IL (1)
• Karnak, IL (1)
• Kaskaskia, IL (1)
• Kell, IL (1)
• Keyesport, IL (1)
• Kinmundy, IL (1)
• Marion, IL (1)
• McClure, IL (1)
• Mount Vernon, IL (1)
• Mulbry Grv, IL (1)
• Murphysboro, IL (1)
• O'Fallon, IL (1)
• Oakdale, IL (1)
• Olive Brch, IL (1)
• Patoka, IL (1)
• Paulton, IL (1)
• Pinckneyville, IL (1)
• Pittsburg, IL (1)
• Raleghglti, IL (1)
• Red Bud, IL (1)
• Rice, IL (1)
• Ridgway, IL (1)
• Salem, IL (1)
• Sesser, IL (1)
• Shattuc, IL (1)
• Shawneetn, IL (1)
• Sparta, IL (1)
• St Peter, IL (1)
• Stonefort, IL (1)
• Troy, IL (1)
• Villaridge, IL (1)
• Woodburn, IL (1)
• Zeigler, IL (1)

Phone companies in area code 730

The carriers that hold the most 730 prefixes. People can move their number to another carrier, so this shows who first issued a number, not who serves it today.

All 130 prefixes in area code 730

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
• 234
• 235
• 236
• 237
• 238
• 239
• 240
• 241
• 242
• 243
• 244
• 245
• 246
• 247
• 248
• 249
• 250
• 251
• 252
• 253
• 254
• 255
• 256
• 257
• 258
• 259
• 260
• 261
• 262
• 263
• 264
• 265
• 266
• 267
• 268
• 269
• 270
• 271
• 272
• 273
• 274
• 275
• 276
• 277
• 278
• 279
• 280
• 281
• 282
• 283
• 284
• 285
• 286
• 287
• 288
• 289
• 290
• 292
• 293
• 294
• 295
• 296
• 297
• 298
• 299
• 300
• 301
• 302
• 303
• 304
• 305
• 308
• 320
• 321
• 322
• 323
• 324
• 325
• 326
• 327
• 328
• 329
• 330
• 333
• 444
• 465
• 529
• 587
• 666
• 730
• 733
• 737
• 740
• 773
• 777
• 888
• 999

Area codes that overlay 730

• 618

Questions

Where is area code 730?

Area code 730 is in Illinois. It serves Centralia, Herrin, Belleville, Olney and Carbondale and 59 other cities and towns.

What time zone is area code 730 in?

Area code 730 uses Central Time.

What area codes overlay 730?

618 serves the same area as 730. 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 730 a scam?

The area code alone doesn’t tell you. Most calls from 730 are ordinary local calls, but scammers can fake (“spoof”) any number. If you don’t recognize a 730 number, let it go to voicemail.

When did area code 730 start?

730 went into service in 2023. It was created from area code 618.

Can a 730 number be outside Illinois?

Yes. People keep their numbers when they move and when they switch to mobile or internet phone services, so a 730 caller can be anywhere.

Other area codes in Illinois