Input an Area Code (required) followed by the Prefix, or Exchange (optional):
-
If you were a paid member, you could be loading this into any version of Excel or Access (or any other software that understands CSV) right now for less than you paid for your breakfast or lunch today. If you are a member please login to access this and other functionality.

🔎 Tip: Click any Company, OCN, Rate Center, or CLLI to explore related telecom data

npa-nxxState/ProvinceCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
410-600MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)0004999405RMD00029577228BERLINESTNMDES5MD04/25/2006Prefix Type: CLEC
Switch Name: EASTON
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
🔧 Explore Switch(CLLI: ESTNMDES5MD))
410-600 is split into 1,000-number blocks - detail below
410-600-0XXXMDMCC TELEPHONY OF THE MID-ATLANTIC, LLC - MDN/A861FBERLINNOCLLIKNOWN04/28/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-600-1XXXMDPAETEC ITEL, LLCN/A829JBERLINPHLAPAFGDSZ08/22/2014Prefix Type: IPES
Switch Name: PHILADELPHIA
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
🔧 Explore Switch(CLLI: PHLAPAFGDSZ))
410-600-2XXXMDMCC TELEPHONY OF THE MID-ATLANTIC, LLC - MDN/A861FBERLINNOCLLIKNOWN06/17/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-600-3XXXMDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)0004999405RMD00029577228BERLINESTNMDES5MD12/09/2008Prefix Type: CLEC
Switch Name: EASTON
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
🔧 Explore Switch(CLLI: ESTNMDES5MD))
410-600-4XXXMDMCC TELEPHONY OF THE MID-ATLANTIC, LLC - MDN/A861FBERLINNOCLLIKNOWN06/02/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-600-5XXXMDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)0003291192RMD00369094036BERLINSLBRMDSCXLX11/06/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
🔧 Explore Switch(CLLI: SLBRMDSCXLX))
410-600-6XXXMDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)0004274114RMD00038977325BERLINNOCLLIKNOWN09/22/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-600-7XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DBERLINNOCLLIKNOWN03/20/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-600-8XXXMDTELNYX LLC0018998724RMD0001645073HBERLINNOCLLIKNOWN08/31/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
410-600-9XXXMDONVOY, LLC - MD (Sinch)0004323028RMD0001966876DBERLINNOCLLIKNOWN03/28/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))