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The 240 area code is located in Maryland near WASHINGTON-SOUTHWEST. According to Intelius data, this area code covers roughly 1,060,740 phone numbers, including 960,281 mobile numbers and 100,459 landline numbers.
Have you received a call from a number with a 240 area code? Figure out who is calling you by performing a reverse phone lookup search. Intelius can provide you with a phone report that includes (when available) original line type and carrier, the number owner’s name, last known address and past addresses, age, possible relatives, and more.
| NXX Prefix | (240) 200-XXXX |
|---|---|
| Wire Center (WC) | Washington Southwest |
| Zone | Washington Zone 2 |
| Primary Carrier/Company | YMax Communications |
| Operating Company Numbers (OCN) | 829J 7229 071F 6855 281E |
| Line Types (LTYPE) | VoIP Wireless, PCS, Cellular Landline |
| Country | US |
| State | MD |
| County | Montgomery |
| Area Code Population | 1,052,521 |
| Land Area | 493.076 square miles |
| FIPS Code | 24031 |
| Time Zone | Eastern Time |
| ZIP Codes | 20812, 20813, 20814, 20815 |
| NXX Prefix | (240) 206-XXXX |
|---|---|
| Wire Center (WC) | Washington Dupont |
| Zone | Washington 236 Zone 14 |
| Primary Carrier/Company | Verizon Business |
| Operating Company Numbers (OCN) | 7229 318J 071F 6119 |
| Line Types (LTYPE) | VoIP Landline |
| Country | US |
| State | MD |
| County | Prince George's |
| Area Code Population | 946,971 |
| Land Area | 482.652 square miles |
| FIPS Code | 24033 |
| Time Zone | Eastern Time |
| ZIP Codes | 20706, 20708, 20715, 20716 |
| NXX Prefix | (240) 319-XXXX |
|---|---|
| Wire Center (WC) | Baltimore Charles St |
| Zone | Laurel 238 |
| Primary Carrier/Company | Verizon Wireless |
| Operating Company Numbers (OCN) | 071F 6395 7229 |
| Line Types (LTYPE) | Wireless, PCS, Cellular VoIP Landline |
| Country | US |
| State | MD |
| County | Howard |
| Area Code Population | 335,411 |
| Land Area | 250.945 square miles |
| FIPS Code | 24027 |
| Time Zone | Eastern Time |
| ZIP Codes | 20707, 20708, 20723, 20724 |
| NXX Prefix | (240) 385-XXXX |
|---|---|
| Wire Center (WC) | Myersville |
| Zone | Myersville |
| Primary Carrier/Company | YMax Communications |
| Operating Company Numbers (OCN) | 6855 9212 6395 281E 071F |
| Line Types (LTYPE) | Wireless, PCS, Cellular Landline VoIP |
| Country | US |
| State | MD |
| County | Frederick |
| Area Code Population | 287,079 |
| Land Area | 660.469 square miles |
| FIPS Code | 24021 |
| Time Zone | Eastern Time |
| ZIP Codes | 21773 |
