Area code 121 (Illinois)
Area code
Illinois
0121
Illinois
0121
Local time
Illinois
Illinois
Population
Illinois
12 772 888
Illinois
12 772 888
Emergency phone number
Illinois
911
Illinois
911
Area: Illinois
Area code: 0121
Country Calling Code:
+1
E.164 (Country Code):
1
Emergency phone number:
911
Capital:
Washington D.C.
Language:
English
Valuta:
US Dollar (USD)
2 DIGIT ISO:
US
3 DIGIT ISO:
USA
Local Time:
03:35
Timezone:
America/Chicago
Population:
12 772 888
Land Area:
9 629 091 KM2
Area code 121 - Illinois
Illinois is located in United States and has area code 121.
When calling a person or company located in Illinois from abroad,
you must first type the plus sign (+) or double zero (00) followed by the country code and then the area code.
In this case +1121 followed by the phone number.
Local time and other details
Local time in Illinois is 03:35. Illinois has a population of 12 772 888 citiciens (2021-02-01).
Illinois - Postal numbers
Illinois has 50 different postal numbers / zip numbers.
Show all postal numbers
| Postal number | Municipality | County | Lon/Lat |
|---|---|---|---|
| 61006 | Ashton | Illinois | -89.2086/41.8643 |
| 62501 | Argenta | Illinois | -88.8052/39.934 |
| 62611 | Arenzville | Illinois | -90.3636/39.8979 |
| 61910 | Arcola | Illinois | -88.3037/39.687 |
| 61001 | Apple River | Illinois | -90.1201/42.4714 |
| 60002 | Antioch | Illinois | -88.1178/42.4648 |
| 61234 | Annawan | Illinois | -89.9129/41.398 |
| 62413 | Annapolis | Illinois | -87.8029/39.1179 |
| 62906 | Anna | Illinois | -89.2207/37.4668 |
| 61233 | Andover | Illinois | -90.2905/41.2954 |
| 61232 | Andalusia | Illinois | -90.7176/41.4392 |
| 61312 | Arlington | Illinois | -89.2219/41.4437 |
| 60004 | Arlington Heights | Illinois | -87.9792/42.112 |
| 60005 | Arlington Heights | Illinois | -87.9856/42.0639 |
| 61912 | Ashmore | Illinois | -88.0341/39.5254 |
| 62808 | Ashley | Illinois | -89.2311/38.306 |
| 62612 | Ashland | Illinois | -90.0792/39.9386 |
| 60911 | Ashkum | Illinois | -87.9411/40.8844 |
| 61911 | Arthur | Illinois | -88.4555/39.7077 |
| 61722 | Arrowsmith | Illinois | -88.6296/40.412 |
| 60910 | Aroma Park | Illinois | -87.8114/41.0798 |
| 61812 | Armstrong | Illinois | -87.8943/40.2175 |
| 61721 | Armington | Illinois | -89.3231/40.3613 |
| 60006 | Arlington Heights | Illinois | -87.9806/42.0884 |
| 61311 | Ancona | Illinois | -88.8642/41.0426 |
| 61720 | Anchor | Illinois | -88.5266/40.5441 |
| 61310 | Amboy | Illinois | -89.3472/41.7042 |
| 61412 | Alexis | Illinois | -90.5436/41.0521 |
| 62601 | Alexander | Illinois | -90.0458/39.7517 |
| 61231 | Aledo | Illinois | -90.7416/41.2008 |
| 60001 | Alden | Illinois | -88.4525/42.3248 |
| 62806 | Albion | Illinois | -88.0636/38.374 |
| 62215 | Albers | Illinois | -89.6202/38.532 |
| 61230 | Albany | Illinois | -90.2081/41.7659 |
| 60101 | Addison | Illinois | -88.0054/41.9335 |
| 62214 | Addieville | Illinois | -89.5794/38.3815 |
| 61411 | Adair | Illinois | -90.5037/40.3852 |
| 60102 | Algonquin | Illinois | -88.3064/42.1641 |
| 62001 | Alhambra | Illinois | -89.7441/38.8822 |
| 62410 | Allendale | Illinois | -87.7219/38.5232 |
| 61811 | Alvin | Illinois | -87.608/40.3007 |
| 61414 | Altona | Illinois | -90.1598/41.1128 |
| 62002 | Alton | Illinois | -90.1568/38.9087 |
| 62905 | Alto Pass | Illinois | -89.3172/37.5681 |
| 62411 | Altamont | Illinois | -88.7481/39.0634 |
| 60803 | Alsip | Illinois | -87.7357/41.6721 |
| 62610 | Alsey | Illinois | -90.434/39.5606 |
| 61413 | Alpha | Illinois | -90.3821/41.193 |
| 62807 | Alma | Illinois | -88.9157/38.7231 |
| 61810 | Allerton | Illinois | -87.9312/39.9188 |
Reported phone numbers in Illinois
The list below contains all phone numbers that we have received reports on.