Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: WASHDCSW01Z

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-312 0 Washington Zone 5 MD 829J PAETEC ITEL, LLC 236      
240-312 1 Washington Zone 5 MD 829J PAETEC ITEL, LLC 236      
240-312 4 Washington Zone 5 MD 829J PAETEC ITEL, LLC 236      
240-312 9 Washington Zone 5 MD 829J PAETEC ITEL, LLC 236      
240-326 A Washington Zone 15 MD 829J PAETEC ITEL, LLC 236   2025-04-02   
240-326 0 Washington Zone 15 MD 829J PAETEC ITEL, LLC 236      
240-326 1 Washington Zone 15 MD 829J PAETEC ITEL, LLC 236      
240-326 4 Washington Zone 15 MD 829J PAETEC ITEL, LLC 236      
240-326 9 Washington Zone 15 MD 829J PAETEC ITEL, LLC 236      
240-335 A Washington Zone 14 MD 829J PAETEC ITEL, LLC 236   2025-04-02   
240-335 0 Washington Zone 14 MD 829J PAETEC ITEL, LLC 236      
240-335 1 Washington Zone 14 MD 829J PAETEC ITEL, LLC 236      
240-335 4 Washington Zone 14 MD 829J PAETEC ITEL, LLC 236      
240-335 9 Washington Zone 14 MD 829J PAETEC ITEL, LLC 236      
240-361 A Gaithersburg MD 829J PAETEC ITEL, LLC 236   2025-04-02   
240-361 0 Gaithersburg MD 829J PAETEC ITEL, LLC 236      
240-361 1 Gaithersburg MD 829J PAETEC ITEL, LLC 236      
240-361 2 Gaithersburg MD 829J PAETEC ITEL, LLC 236      
240-361 3 Gaithersburg MD 829J PAETEC ITEL, LLC 236      
240-361 4 Gaithersburg MD 829J PAETEC ITEL, LLC 236      
240-361 5 Gaithersburg MD 829J PAETEC ITEL, LLC 236      
240-361 6 Gaithersburg MD 829J PAETEC ITEL, LLC 236      
240-361 9 Gaithersburg MD 829J PAETEC ITEL, LLC 236      
240-390 A Ashton MD 829J PAETEC ITEL, LLC 236   2025-04-02   
240-390 0 Ashton MD 829J PAETEC ITEL, LLC 236      
240-390 1 Ashton MD 829J PAETEC ITEL, LLC 236      
240-390 4 Ashton MD 829J PAETEC ITEL, LLC 236      
240-390 8 Ashton MD 829J PAETEC ITEL, LLC 236      
240-390 9 Ashton MD 829J PAETEC ITEL, LLC 236      
240-395 A Washington Zone 2 MD 829J PAETEC ITEL, LLC 236   2025-04-02   
240-395 0 Washington Zone 2 MD 829J PAETEC ITEL, LLC 236      
240-395 1 Washington Zone 2 MD 829J PAETEC ITEL, LLC 236      
240-395 2 Washington Zone 2 MD 829J PAETEC ITEL, LLC 236      
240-395 4 Washington Zone 2 MD 829J PAETEC ITEL, LLC 236      
240-395 5 Washington Zone 2 MD 829J PAETEC ITEL, LLC 236      
240-395 8 Washington Zone 2 MD 829J PAETEC ITEL, LLC 236      
240-395 9 Washington Zone 2 MD 829J PAETEC ITEL, LLC 236      
240-403 A Washington Zone 10 MD 829J PAETEC ITEL, LLC 236   2025-04-02   
240-403 0 Washington Zone 10 MD 829J PAETEC ITEL, LLC 236      
240-403 1 Washington Zone 10 MD 829J PAETEC ITEL, LLC 236      
240-403 2 Washington Zone 10 MD 829J PAETEC ITEL, LLC 236      
240-403 3 Washington Zone 10 MD 829J PAETEC ITEL, LLC 236      
240-403 4 Washington Zone 10 MD 829J PAETEC ITEL, LLC 236      
240-403 5 Washington Zone 10 MD 829J PAETEC ITEL, LLC 236      
240-403 6 Washington Zone 10 MD 829J PAETEC ITEL, LLC 236      
240-403 8 Washington Zone 10 MD 829J PAETEC ITEL, LLC 236      
240-403 9 Washington Zone 10 MD 829J PAETEC ITEL, LLC 236      
240-430 A Washington Zone 11 MD 829J PAETEC ITEL, LLC 236   2025-04-02   
240-430 0 Washington Zone 11 MD 829J PAETEC ITEL, LLC 236      
240-430 1 Washington Zone 11 MD 829J PAETEC ITEL, LLC 236      

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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