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| npa-nxx | State/Province | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 513-420 | OH | OHIO BELL TEL CO (AT&T) | N/A | 9321 | MIDDLETOWN | MDTWOH42DS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: MIDDLETOWN Switch Type: EWSD LATA: Dayton OH (328) Tandem: DYTNOH225GT 🔧 Explore Switch(CLLI: MDTWOH42DS1)) | |
| 513-420 is split into 1,000-number blocks - detail below | |||||||||
| 513-420-0XXX | OH | OHIO BELL TEL CO (AT&T) | N/A | 9321 | MIDDLETOWN | MDTWOH42DS1 | N/A | Prefix Type: RBOC Switch Name: MIDDLETOWN Switch Type: EWSD LATA: Dayton OH (328) Tandem: DYTNOH225GT 🔧 Explore Switch(CLLI: MDTWOH42DS1)) | |
| 513-420-1XXX | OH | OHIO BELL TEL CO (AT&T) | N/A | 9321 | MIDDLETOWN | MDTWOH42DS1 | N/A | Prefix Type: RBOC Switch Name: MIDDLETOWN Switch Type: EWSD LATA: Dayton OH (328) Tandem: DYTNOH225GT 🔧 Explore Switch(CLLI: MDTWOH42DS1)) | |
| 513-420-2XXX | OH | OHIO BELL TEL CO (AT&T) | N/A | 9321 | MIDDLETOWN | MDTWOH42DS1 | N/A | Prefix Type: RBOC Switch Name: MIDDLETOWN Switch Type: EWSD LATA: Dayton OH (328) Tandem: DYTNOH225GT 🔧 Explore Switch(CLLI: MDTWOH42DS1)) | |
| 513-420-3XXX | OH | OHIO BELL TEL CO (AT&T) | N/A | 9321 | MIDDLETOWN | MDTWOH42DS1 | N/A | Prefix Type: RBOC Switch Name: MIDDLETOWN Switch Type: EWSD LATA: Dayton OH (328) Tandem: DYTNOH225GT 🔧 Explore Switch(CLLI: MDTWOH42DS1)) | |
| 513-420-4XXX | OH | OHIO BELL TEL CO (AT&T) | N/A | 9321 | MIDDLETOWN | MDTWOH42DS1 | N/A | Prefix Type: RBOC Switch Name: MIDDLETOWN Switch Type: EWSD LATA: Dayton OH (328) Tandem: DYTNOH225GT 🔧 Explore Switch(CLLI: MDTWOH42DS1)) | |
| 513-420-5XXX | OH | OHIO BELL TEL CO (AT&T) | N/A | 9321 | MIDDLETOWN | MDTWOH42DS1 | N/A | Prefix Type: RBOC Switch Name: MIDDLETOWN Switch Type: EWSD LATA: Dayton OH (328) Tandem: DYTNOH225GT 🔧 Explore Switch(CLLI: MDTWOH42DS1)) | |
| 513-420-6XXX | OH | METROPCS, INC. (T-Mobile US, Inc) | N/A | 5562 | MIDDLETOWN | DYTNOH22XVY | 07/19/2017 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Dayton OH (328) Tandem: N/A 🔧 Explore Switch(CLLI: DYTNOH22XVY)) | |
| 513-420-7XXX | OH | NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless) | 0003291192 | RMD0036909 | 6534 | MIDDLETOWN | HRTPOHBLGT0 | 04/02/2015 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Dayton OH (328) Tandem: N/A 🔧 Explore Switch(CLLI: HRTPOHBLGT0)) |
| 513-420-8XXX | OH | OHIO BELL TEL CO (AT&T) | N/A | 9321 | MIDDLETOWN | MDTWOH42DS1 | N/A | Prefix Type: RBOC Switch Name: MIDDLETOWN Switch Type: EWSD LATA: Dayton OH (328) Tandem: DYTNOH225GT 🔧 Explore Switch(CLLI: MDTWOH42DS1)) | |
| 513-420-9XXX | OH | OHIO BELL TEL CO (AT&T) | N/A | 9321 | MIDDLETOWN | MDTWOH42DS1 | N/A | Prefix Type: RBOC Switch Name: MIDDLETOWN Switch Type: EWSD LATA: Dayton OH (328) Tandem: DYTNOH225GT 🔧 Explore Switch(CLLI: MDTWOH42DS1)) |