Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Switch: BLTMMDCHXVX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-570 0 Ashton (Baltimore LATA) MD 321J HD CARRIER LLC 238      
240-570 1 Ashton (Baltimore LATA) MD 321J HD CARRIER LLC 238      
240-570 2 Ashton (Baltimore LATA) MD 321J HD CARRIER LLC 238      
240-570 3 Ashton (Baltimore LATA) MD 321J HD CARRIER LLC 238      
240-570 4 Ashton (Baltimore LATA) MD 321J HD CARRIER LLC 238      
240-570 5 Ashton (Baltimore LATA) MD 321J HD CARRIER LLC 238      
301-205 1 Washington Zone 14 (Baltimore LATA) MD 321J HD CARRIER LLC 238      
301-205 2 Washington Zone 14 (Baltimore LATA) MD 321J HD CARRIER LLC 238      
301-205 3 Washington Zone 14 (Baltimore LATA) MD 321J HD CARRIER LLC 238      
301-205 4 Washington Zone 14 (Baltimore LATA) MD 321J HD CARRIER LLC 238      
301-205 6 Washington Zone 14 (Baltimore LATA) MD 321J HD CARRIER LLC 238      
301-205 7 Washington Zone 14 (Baltimore LATA) MD 321J HD CARRIER LLC 238      
301-307 8 Washington Zone 13 (Baltimore LATA) MD 321J HD CARRIER LLC 238      
301-612 0 Washington Zone 14 (Baltimore LATA) MD 321J HD CARRIER LLC 238      
301-612 2 Washington Zone 14 (Baltimore LATA) MD 321J HD CARRIER LLC 238      
301-612 4 Washington Zone 14 (Baltimore LATA) MD 321J HD CARRIER LLC 238      
301-612 5 Washington Zone 14 (Baltimore LATA) MD 321J HD CARRIER LLC 238      
301-612 7 Washington Zone 14 (Baltimore LATA) MD 321J HD CARRIER LLC 238      
301-612 8 Washington Zone 14 (Baltimore LATA) MD 321J HD CARRIER LLC 238      
301-612 9 Washington Zone 14 (Baltimore LATA) MD 321J HD CARRIER LLC 238      
301-889 1 Washington Zone 14 (Baltimore LATA) MD 321J HD CARRIER LLC 238      
301-889 3 Washington Zone 14 (Baltimore LATA) MD 321J HD CARRIER LLC 238      
301-889 4 Washington Zone 14 (Baltimore LATA) MD 321J HD CARRIER LLC 238      
301-973 4 Washington Zone 14 (Baltimore LATA) MD 321J HD CARRIER LLC 238      
410-587 3 Arbutus MD 321J HD CARRIER LLC 238      
410-587 4 Arbutus MD 321J HD CARRIER LLC 238      
410-587 5 Arbutus MD 321J HD CARRIER LLC 238      
410-587 6 Arbutus MD 321J HD CARRIER LLC 238      
443-227 3 Port Deposit MD 321J HD CARRIER LLC 238      
443-227 6 Port Deposit MD 321J HD CARRIER LLC 238      
443-227 8 Port Deposit MD 321J HD CARRIER LLC 238      
443-227 9 Port Deposit MD 321J HD CARRIER LLC 238      
443-412 6 Churchville MD 321J HD CARRIER LLC 238      
443-464 3 Churchville MD 321J HD CARRIER LLC 238      
443-568 7 Arbutus MD 321J HD CARRIER LLC 238      
443-661 7 Waterloo MD 321J HD CARRIER LLC 238      
443-731 7 Port Deposit MD 321J HD CARRIER LLC 238      
443-747 6 Port Deposit MD 321J HD CARRIER LLC 238      
443-755 2 Waterloo MD 321J HD CARRIER LLC 238      
443-755 4 Waterloo MD 321J HD CARRIER LLC 238      
667-202 2 Elkton MD 321J HD CARRIER LLC 238      
667-202 3 Elkton MD 321J HD CARRIER LLC 238      
667-202 4 Elkton MD 321J HD CARRIER LLC 238      
667-202 5 Elkton MD 321J HD CARRIER LLC 238      
667-202 6 Elkton MD 321J HD CARRIER LLC 238      
667-202 7 Elkton MD 321J HD CARRIER LLC 238      
667-202 8 Elkton MD 321J HD CARRIER LLC 238      
667-202 9 Elkton MD 321J HD CARRIER LLC 238      
667-270 9 Annapolis MD 321J HD CARRIER LLC 238      
667-399 A Union Bridge MD 321J HD CARRIER LLC 238      
667-399 8 Union Bridge MD 321J HD CARRIER LLC 238      
667-399 9 Union Bridge MD 321J HD CARRIER LLC 238      
667-600 7 Baltimore MD 321J HD CARRIER LLC 238      
667-770 5 Baltimore MD 321J HD CARRIER LLC 238      
667-776 A Baltimore MD 321J HD CARRIER LLC 238      
667-776 9 Baltimore MD 321J HD CARRIER LLC 238      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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