Phone Prefix
(618) 437-XXXX
IL • INA
Search Number in This Prefix
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Carrier Information
NANPA
State
IL
Region
MW
Rate Center
INA
Assigned To
CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL
OCN
1183
Status
RT
Number Range
First Number
(618) 437-0000
Last Number
(618) 437-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
42 reports
42
Total FCC + FTC DNC complaints for numbers in this prefix
Top 36 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (618) 437-2064 6184372064 | 3 |
| 2 | (618) 437-2106 6184372106 | 2 |
| 3 | (618) 437-4773 6184374773 | 2 |
| 4 | (618) 437-6871 6184376871 | 2 |
| 5 | (618) 437-7684 6184377684 | 2 |
| 6 | (618) 437-2452 6184372452 | 1 |
| 7 | (618) 437-2675 6184372675 | 1 |
| 8 | (618) 437-2826 6184372826 | 1 |
| 9 | (618) 437-2930 6184372930 | 1 |
| 10 | (618) 437-3812 6184373812 | 1 |
| 11 | (618) 437-4001 6184374001 | 1 |
| 12 | (618) 437-4058 6184374058 | 1 |
| 13 | (618) 437-4420 6184374420 | 1 |
| 14 | (618) 437-4642 6184374642 | 1 |
| 15 | (618) 437-4853 6184374853 | 1 |
| 16 | (618) 437-4904 6184374904 | 1 |
| 17 | (618) 437-4981 6184374981 | 1 |
| 18 | (618) 437-6199 6184376199 | 1 |
| 19 | (618) 437-6310 6184376310 | 1 |
| 20 | (618) 437-6439 6184376439 | 1 |
| 21 | (618) 437-7664 6184377664 | 1 |
| 22 | (618) 437-8017 6184378017 | 1 |
| 23 | (618) 437-8019 6184378019 | 1 |
| 24 | (618) 437-8155 6184378155 | 1 |
| 25 | (618) 437-8195 6184378195 | 1 |
| 26 | (618) 437-8302 6184378302 | 1 |
| 27 | (618) 437-8461 6184378461 | 1 |
| 28 | (618) 437-8854 6184378854 | 1 |
| 29 | (618) 437-8875 6184378875 | 1 |
| 30 | (618) 437-9302 6184379302 | 1 |
| 31 | (618) 437-1650 6184371650 | 1 |
| 32 | (618) 437-9729 6184379729 | 1 |
| 33 | (618) 437-1875 6184371875 | 1 |
| 34 | (618) 437-2027 6184372027 | 1 |
| 35 | (618) 437-2028 6184372028 | 1 |
| 36 | (618) 437-2402 6184372402 | 1 |
About This Prefix
Phone numbers starting with (618) 437 are part of the North American Numbering Plan (NANP). The first three digits (618) represent the Area Code (NPA), and the next three digits (437) represent the Central Office Code (NXX) or exchange.
- NPA (618) - Numbering Plan Area, identifies the geographic region
- NXX (437) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)