Local Calling Guide
Area code/prefix search
NPA: 618 [Rate centres in NPA 618] [Dial plan for NPA 618]
NXX: 622
| NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
|---|---|---|---|---|---|---|---|---|---|
| 618-622 | A | O'Fallon | IL | OFLNILMQDS0 | 9329 ILLINOIS BELL TEL CO | 520 | |||
| 618-622 | 0 | O'Fallon | IL | 9329 ILLINOIS BELL TEL CO | 520 | ||||
| 618-622 | 1 | O'Fallon | IL | 9329 ILLINOIS BELL TEL CO | 520 | ||||
| 618-622 | 2 | O'Fallon | IL | 9329 ILLINOIS BELL TEL CO | 520 | ||||
| 618-622 | 3 | O'Fallon | IL | 9329 ILLINOIS BELL TEL CO | 520 | ||||
| 618-622 | 4 | O'Fallon | IL | 9329 ILLINOIS BELL TEL CO | 520 | ||||
| 618-622 | 5 | O'Fallon | IL | 9329 ILLINOIS BELL TEL CO | 520 | ||||
| 618-622 | 6 | O'Fallon | IL | 9329 ILLINOIS BELL TEL CO | 520 | ||||
| 618-622 | 7 | O'Fallon | IL | 075A DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - IL | 520 | 2012-05-25 | |||
| 618-622 | 8 | O'Fallon | IL | 9329 ILLINOIS BELL TEL CO | 520 | ||||
| 618-622 | 9 | O'Fallon | IL | 9329 ILLINOIS BELL TEL CO | 520 |
Last updated: Thu, 01 Jan 2026 03:59:49 UTC
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