| Zip Code | City | State | County | Area Code | Time Zone | Latitude/Longitude | | 19401 | Norristown | Pennsylvania | Montgomery | 610 | Eastern | 40.1245/-75.3304 | | 19403 | Norristown | Pennsylvania | Montgomery | 610 | Eastern | 40.1434/-75.3847 | | 19404 | Norristown | Pennsylvania | Montgomery | 610 | Eastern | 40.16/-75.4 | | 19488 | Norristown | Pennsylvania | Chester | 610 | Eastern | 40.0946/-75.381 | | 19489 | Norristown | Pennsylvania | Chester | 610 | Eastern | 40.0946/-75.381 |
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