Central Office Exchange (NXX)

+1 (240) 938-XXXX

Serving Germantown, Maryland, United States • Carrier: Omnipoint Communications Cap Operations

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+1 (240) 938 -

Sample Active Numbers in this Prefix

Random representative sampling of telephone lines in the 1-240-938 block

240-938 0065
240-938 0527
240-938 0986
240-938 1025
240-938 1141
240-938 1165
240-938 1686
240-938 1749
240-938 2166
240-938 2812
240-938 2843
240-938 2872
240-938 3254
240-938 3479
240-938 3510
240-938 3611
240-938 4106
240-938 4163
240-938 4228
240-938 4276
240-938 4547
240-938 5072
240-938 5117
240-938 5692
240-938 6309
240-938 6788
240-938 7198
240-938 7422
240-938 7531
240-938 7606
240-938 7720
240-938 7723
240-938 8543
240-938 8628
240-938 8789
240-938 9021
240-938 9176
240-938 9555
240-938 9736
240-938 9888

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Telecommunication Guide for Exchange 240-938

Under the North American Numbering Plan (NANP), a standard 10-digit telephone number is organized as NPA-NXX-XXXX:

  • NPA (Numbering Plan Area): 240 identifies the geographic region within Maryland.
  • NXX (Central Office Exchange): 938 identifies the local telephone exchange or switching office serving Germantown, Maryland.
  • XXXX (Subscriber Line Number): 10,000 distinct telephone lines (ranging from 0000 to 9999) are routed through this exchange.
How to Correctly Dial Numbers in this Prefix:
Call Origin Dialing Instructions Example
Local or Domestic (US/Canada) Dial 1 + 10-Digit Number 1 (240) 938-XXXX
Mobile / Wireless Devices Dial with international plus symbol +1 240 938 XXXX
International Callers Local exit code + 1 + Number 00 1 240 938 XXXX

Frequently Asked Questions

The registered service provider for this exchange is Omnipoint Communications Cap Operations. Note that individual line numbers may have been transferred to other providers via Local Number Portability (LNP).
Calls from this prefix could originate from local businesses, hospitals, friends, or automated dialers. If you received an unsolicited call from an unknown party in this exchange, enter the full 4 digits in our search box above to check for community scam or telemarketer reports.

Exchange Information

  • Country: Unites States (+1)
  • State: Maryland
  • City / Area: Germantown
  • Area Code: 240
  • Prefix (NXX): 938
  • Carrier: Omnipoint Communications Cap Operations
  • Type: Wireless
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Area Code 240

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