Learn more about this area code and exchange and where the caller may be located.
The phone exchange is the three digits after the area code and before the extension. An example is (240) 358-XXXX where 358 is the exchange number. It enables telephone line extensions to be interconnected in a local area based on a specific geographic assignment.
The (240) 358 exchange is located within the 240 area code in Washington, DC. It connects landline numbers from the TELNYX carrier in Montgomery county. Associated zip codes include 20872.
Potentially, callers could keep their phone numbers even if they move away, so a caller may be located in Washington, DC or elsewhere. You can use a reverse phone lookup to help find the registered address for a potential caller.
People are Saying:
(240) 358-2270 - March 18th, 2026 8:11pm
spammer 1 (240) 358-2270
(240) 358-3697 - October 15th, 2025 1:14pm
Reported as spam through quick feedback
(240) 358-9997 - February 27th, 2023 1:42pm | Reported from Ashburn, VA
scam
(240) 358-7766 - August 11th, 2022 3:46pm | Reported from Ashburn, VA
Anonymous reported this number as SPAM on August 11, 2022
(240) 358-7570 - November 23rd, 2021 9:08pm | Reported from Washington, DC
Called then ***g up.